Report Summary Artificial intelligence (AI) in Logistics-Global Market Status & Trend Report 2016-2026 Top 20 Countries Data offers a comprehensive analysis on Artificial intelligence (AI) in Logistics industry, standing on the readers perspective, delivering detailed market data in Global major 20 countries and penetrating insights. No matter the client is industry insider, potential entrant or investor, the report will provides useful data and information. Key questions answered by this report include: Worldwide and Top 20 Countries Market Size of Artificial intelligence (AI) in Logistics 2016-2021, and development forecast 2022-2026 Main manufacturers/suppliers of Artificial intelligence (AI) in Logistics worldwide and market share by regions, with company and product introduction, position in the Artificial intelligence (AI) in Logistics market Market status and development trend of Artificial intelligence (AI) in Logistics by types and applications Cost and profit status of Artificial intelligence (AI) in Logistics, and marketing status Market growth drivers and challengesSince the COVID-19 virus outbreak in December 2019, the disease has spread to almost 100 countries around the globe with the World Health Organization declaring it a public health emergency.The global impacts of the coronavirus disease 2019 (COVID-19) are already starting to be felt, and will significantly affect the Ammonium Artificial intelligence (AI) in Logistics market in 2020.COVID-19 can affect the global economy in three main ways: by directly affecting production and demand, by creating supply chain and market disruption, and by its financial impact on firms and financial markets.The outbreak of COVID-19 has brought effects on many aspects, like flight cancellations; travel bans and quarantines; restaurants closed; all indoor events restricted; over forty countries state of emergency declared; massive slowing of the supply chain; stock market volatility; falling business confidence, growing panic among the population, and uncertainty about future.This report also analyses the impact of Coronavirus COVID-19 on the Artificial intelligence (AI) in Logistics industry. The report segments the global Artificial intelligence (AI) in Logistics market as: Global Artificial intelligence (AI) in Logistics Market: Regional Segment Analysis (Regional Production Volume, Consumption Volume, Revenue and Growth Rate 2016-2026): North America (United States, Canada and Mexico) Europe (Germany, UK, France, Italy, Russia, Spain and Benelux) Asia Pacific (China, Japan, India, Southeast Asia and Australia) Latin America (Brazil, Argentina and Colombia) Middle East and Africa Global Artificial intelligence (AI) in Logistics Market: Type Segment Analysis (Consumption Volume, Average Price, Revenue, Market Share and Trend 2016-2026): Arti?cial neural networks Machine learning Other Global Artificial intelligence (AI) in Logistics Market: Application Segment Analysis (Consumption Volume and Market Share 206-2026; Downstream Customers and Market Analysis) Nventory control and planning Transportation network design Purchasing and supply management Demand planning and forecasting Other Global Artificial intelligence (AI) in Logistics Market: Manufacturers Segment Analysis (Company and Product introduction, Artificial intelligence (AI) in Logistics Sales Volume, Revenue, Price and Gross Margin): IBM Google Microsoft Corporation Amazon Web Services Inc Oracle Corporation SAP Facebook Alibaba Baidu In a word, the report provides detailed statistics and analysis on the state of the industry; and is a valuable source of guidance and direction for companies and individuals interested in the market.
Table of Contents Chapter 1 Overview of Artificial intelligence (AI) in Logistics 1.1 Definition of Artificial intelligence (AI) in Logistics in This Report 1.2 Commercial Types of Artificial intelligence (AI) in Logistics 1.2.1 Arti?cial neural networks 1.2.2 Machine learning 1.2.3 Other 1.3 Downstream Application of Artificial intelligence (AI) in Logistics 1.3.1 Nventory control and planning 1.3.2 Transportation network design 1.3.3 Purchasing and supply management 1.3.4 Demand planning and forecasting 1.3.5 Other 1.4 Development History of Artificial intelligence (AI) in Logistics 1.5 Market Status and Trend of Artificial intelligence (AI) in Logistics 2016-2026 1.5.1 Global Artificial intelligence (AI) in Logistics Market Status and Trend 2016-2026 1.5.2 Regional Artificial intelligence (AI) in Logistics Market Status and Trend 2016-2026 Chapter 2 Global Market Status and Forecast by Regions 2.1 Market Development of Artificial intelligence (AI) in Logistics 2016-2021 2.2 Sales Market of Artificial intelligence (AI) in Logistics by Regions 2.2.1 Sales Volume of Artificial intelligence (AI) in Logistics by Regions 2.2.2 Sales Value of Artificial intelligence (AI) in Logistics by Regions 2.3 Production Market of Artificial intelligence (AI) in Logistics by Regions 2.4 Global Market Forecast of Artificial intelligence (AI) in Logistics 2022-2026 2.4.1 Global Market Forecast of Artificial intelligence (AI) in Logistics 2022-2026 2.4.2 Market Forecast of Artificial intelligence (AI) in Logistics by Regions 2022-2026 Chapter 3 Global Market Status and Forecast by Types 3.1 Sales Volume of Artificial intelligence (AI) in Logistics by Types 3.2 Sales Value of Artificial intelligence (AI) in Logistics by Types 3.3 Market Forecast of Artificial intelligence (AI) in Logistics by Types Chapter 4 Global Market Status and Forecast by Downstream Industry 4.1 Global Sales Volume of Artificial intelligence (AI) in Logistics by Downstream Industry 4.2 Global Market Forecast of Artificial intelligence (AI) in Logistics by Downstream Industry Chapter 5 North America Market Status by Countries, Type, Manufacturers and Downstream Industry 5.1 North America Artificial intelligence (AI) in Logistics Market Status by Countries 5.1.1 North America Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) 5.1.2 North America Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) 5.1.3 United States Artificial intelligence (AI) in Logistics Market Status (2016-2021) 5.1.4 Canada Artificial intelligence (AI) in Logistics Market Status (2016-2021) 5.1.5 Mexico Artificial intelligence (AI) in Logistics Market Status (2016-2021) 5.2 North America Artificial intelligence (AI) in Logistics Market Status by Manufacturers 5.3 North America Artificial intelligence (AI) in Logistics Market Status by Type (2016-2021) 5.3.1 North America Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) 5.3.2 North America Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) 5.4 North America Artificial intelligence (AI) in Logistics Market Status by Downstream Industry (2016-2021) Chapter 6 Europe Market Status by Countries, Type, Manufacturers and Downstream Industry 6.1 Europe Artificial intelligence (AI) in Logistics Market Status by Countries 6.1.1 Europe Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) 6.1.2 Europe Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) 6.1.3 Germany Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.4 UK Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.5 France Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.6 Italy Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.7 Russia Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.8 Spain Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.1.9 Benelux Artificial intelligence (AI) in Logistics Market Status (2016-2021) 6.2 Europe Artificial intelligence (AI) in Logistics Market Status by Manufacturers 6.3 Europe Artificial intelligence (AI) in Logistics Market Status by Type (2016-2021) 6.3.1 Europe Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) 6.3.2 Europe Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) 6.4 Europe Artificial intelligence (AI) in Logistics Market Status by Downstream Industry (2016-2021) Chapter 7 Asia Pacific Market Status by Countries, Type, Manufacturers and Downstream Industry 7.1 Asia Pacific Artificial intelligence (AI) in Logistics Market Status by Countries 7.1.1 Asia Pacific Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) 7.1.2 Asia Pacific Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) 7.1.3 China Artificial intelligence (AI) in Logistics Market Status (2016-2021) 7.1.4 Japan Artificial intelligence (AI) in Logistics Market Status (2016-2021) 7.1.5 India Artificial intelligence (AI) in Logistics Market Status (2016-2021) 7.1.6 Southeast Asia Artificial intelligence (AI) in Logistics Market Status (2016-2021) 7.1.7 Australia Artificial intelligence (AI) in Logistics Market Status (2016-2021) 7.2 Asia Pacific Artificial intelligence (AI) in Logistics Market Status by Manufacturers 7.3 Asia Pacific Artificial intelligence (AI) in Logistics Market Status by Type (2016-2021) 7.3.1 Asia Pacific Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) 7.3.2 Asia Pacific Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) 7.4 Asia Pacific Artificial intelligence (AI) in Logistics Market Status by Downstream Industry (2016-2021) Chapter 8 Latin America Market Status by Countries, Type, Manufacturers and Downstream Industry 8.1 Latin America Artificial intelligence (AI) in Logistics Market Status by Countries 8.1.1 Latin America Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) 8.1.2 Latin America Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) 8.1.3 Brazil Artificial intelligence (AI) in Logistics Market Status (2016-2021) 8.1.4 Argentina Artificial intelligence (AI) in Logistics Market Status (2016-2021) 8.1.5 Colombia Artificial intelligence (AI) in Logistics Market Status (2016-2021) 8.2 Latin America Artificial intelligence (AI) in Logistics Market Status by Manufacturers 8.3 Latin America Artificial intelligence (AI) in Logistics Market Status by Type (2016-2021) 8.3.1 Latin America Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) 8.3.2 Latin America Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) 8.4 Latin America Artificial intelligence (AI) in Logistics Market Status by Downstream Industry (2016-2021) Chapter 9 Middle East and Africa Market Status by Countries, Type, Manufacturers and Downstream Industry 9.1 Middle East and Africa Artificial intelligence (AI) in Logistics Market Status by Countries 9.1.1 Middle East and Africa Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) 9.1.2 Middle East and Africa Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) 9.1.3 Middle East Artificial intelligence (AI) in Logistics Market Status (2016-2021) 9.1.4 Africa Artificial intelligence (AI) in Logistics Market Status (2016-2021) 9.2 Middle East and Africa Artificial intelligence (AI) in Logistics Market Status by Manufacturers 9.3 Middle East and Africa Artificial intelligence (AI) in Logistics Market Status by Type (2016-2021) 9.3.1 Middle East and Africa Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) 9.3.2 Middle East and Africa Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) 9.4 Middle East and Africa Artificial intelligence (AI) in Logistics Market Status by Downstream Industry (2016-2021) Chapter 10 Market Driving Factor Analysis of Artificial intelligence (AI) in Logistics 10.1 Global Economy Situation and Trend Overview 10.2 Artificial intelligence (AI) in Logistics Downstream Industry Situation and Trend Overview Chapter 11 Artificial intelligence (AI) in Logistics Market Competition Status by Major Manufacturers 11.1 Production Volume of Artificial intelligence (AI) in Logistics by Major Manufacturers 11.2 Production Value of Artificial intelligence (AI) in Logistics by Major Manufacturers 11.3 Basic Information of Artificial intelligence (AI) in Logistics by Major Manufacturers 11.3.1 Headquarters Location and Established Time of Artificial intelligence (AI) in Logistics Major Manufacturer 11.3.2 Employees and Revenue Level of Artificial intelligence (AI) in Logistics Major Manufacturer 11.4 Market Competition News and Trend 11.4.1 Merger, Consolidation or Acquisition News 11.4.2 Investment or Disinvestment News 11.4.3 New Product Development and Launch Chapter 12 Artificial intelligence (AI) in Logistics Major Manufacturers Introduction and Market Data 12.1 IBM 12.1.1 Company profile 12.1.2 Representative Artificial intelligence (AI) in Logistics Product 12.1.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of IBM 12.2 Google 12.2.1 Company profile 12.2.2 Representative Artificial intelligence (AI) in Logistics Product 12.2.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Google 12.3 Microsoft Corporation 12.3.1 Company profile 12.3.2 Representative Artificial intelligence (AI) in Logistics Product 12.3.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Microsoft Corporation 12.4 Amazon Web Services Inc 12.4.1 Company profile 12.4.2 Representative Artificial intelligence (AI) in Logistics Product 12.4.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Amazon Web Services Inc 12.5 Oracle Corporation 12.5.1 Company profile 12.5.2 Representative Artificial intelligence (AI) in Logistics Product 12.5.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Oracle Corporation 12.6 SAP 12.6.1 Company profile 12.6.2 Representative Artificial intelligence (AI) in Logistics Product 12.6.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of SAP 12.7 Facebook 12.7.1 Company profile 12.7.2 Representative Artificial intelligence (AI) in Logistics Product 12.7.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Facebook 12.8 Alibaba 12.8.1 Company profile 12.8.2 Representative Artificial intelligence (AI) in Logistics Product 12.8.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Alibaba 12.9 Baidu 12.9.1 Company profile 12.9.2 Representative Artificial intelligence (AI) in Logistics Product 12.9.3 Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Baidu Chapter 13 Upstream and Downstream Market Analysis of Artificial intelligence (AI) in Logistics 13.1 Industry Chain of Artificial intelligence (AI) in Logistics 13.2 Upstream Market and Representative Companies Analysis 13.3 Downstream Market and Representative Companies Analysis Chapter 14 Cost and Gross Margin Analysis of Artificial intelligence (AI) in Logistics 14.1 Cost Structure Analysis of Artificial intelligence (AI) in Logistics 14.2 Raw Materials Cost Analysis of Artificial intelligence (AI) in Logistics 14.3 Labor Cost Analysis of Artificial intelligence (AI) in Logistics 14.4 Manufacturing Expenses Analysis of Artificial intelligence (AI) in Logistics Chapter 15 Report Conclusion Chapter 16 Research Methodology and Reference 16.1 Methodology/Research Approach 16.1.1 Research Programs/Design 16.1.2 Market Size Estimation 16.1.3 Market Breakdown and Data Triangulation 16.2 Data Source 16.2.1 Secondary Sources 16.2.2 Primary Sources 16.3 Reference
List of Tables Table Advantage and Disadvantage of Arti?cial neural networks Table Advantage and Disadvantage of Machine learning Table Advantage and Disadvantage of Other Table Sales Volume of Artificial intelligence (AI) in Logistics by Regions 2016-2021 Table Sales Value of Artificial intelligence (AI) in Logistics by Regions 2016-2021 Table Production Volume of Artificial intelligence (AI) in Logistics by Regions 2016-2021 Table Global Sales Volume of Artificial intelligence (AI) in Logistics by Regions 2022-2026 Table Global Sales Value of Artificial intelligence (AI) in Logistics by Regions 2022-2026 Table Global Production Volume of Artificial intelligence (AI) in Logistics by Regions 2022-2026 Table Sales Volume of Artificial intelligence (AI) in Logistics by Types 2016-2021 Table Sales Value of Artificial intelligence (AI) in Logistics by Types 2016-2021 Table Sales Volume Forecast of Artificial intelligence (AI) in Logistics by Types 2022-2026 Table Sales Value Forecast of Artificial intelligence (AI) in Logistics by Types 2022-2026 Table Sales Volume of Artificial intelligence (AI) in Logistics by Downstream Industry 2016-2021 Table Sales Volume Forecast of Artificial intelligence (AI) in Logistics by Downstream Industry 2022-2026 Table North America Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) Table North America Artificial intelligence (AI) in Logistics Sales Share by Countries (2016-2021) Table North America Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) Table North America Artificial intelligence (AI) in Logistics Revenue Market Share by Countries (2016-2021) Table North America Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) Table North America Artificial intelligence (AI) in Logistics Sales Share by Type (2016-2021) Table North America Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) Table North America Artificial intelligence (AI) in Logistics Revenue Share by Type (2016-2021) Table North America Artificial intelligence (AI) in Logistics Sales by Downstream Industry (2016-2021) Table North America Artificial intelligence (AI) in Logistics Sales Share by Downstream Industry (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales Share by Countries (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Revenue Market Share by Countries (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales Share by Type (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Revenue Share by Type (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales by Downstream Industry (2016-2021) Table Europe Artificial intelligence (AI) in Logistics Sales Share by Downstream Industry (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales Share by Countries (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Revenue Market Share by Countries (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales Share by Type (2016-2020) Table Asia Pacific Artificial intelligence (AI) in Logistics Revenue by Type (2016-2020) Table Asia Pacific Artificial intelligence (AI) in Logistics Revenue Share by Type (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales by Downstream Industry (2016-2021) Table Asia Pacific Artificial intelligence (AI) in Logistics Sales Share by Downstream Industry (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales by Countries (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales Share by Countries (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Revenue by Countries (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Revenue Market Share by Countries (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales Share by Type (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Revenue Share by Type (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales by Downstream Industry (2016-2021) Table Latin America Artificial intelligence (AI) in Logistics Sales Share by Downstream Industry (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales by Regions (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales Share by Regions (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Revenue by Regions (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Revenue Market Share by Regions (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales by Type (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales Share by Type (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Revenue by Type (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Revenue Share by Type (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales by Downstream Industry (2016-2021) Table Middle East and Africa Artificial intelligence (AI) in Logistics Sales Share by Downstream Industry (2016-2021) Table Production Volume of Artificial intelligence (AI) in Logistics by Major Manufacturers 2016-2021 Table Production Value of Artificial intelligence (AI) in Logistics by Major Manufacturers 2016-2021 Table Headquarters Location and Established Time of Artificial intelligence (AI) in Logistics Major Manufacturer Table Employees and Revenue Level of Artificial intelligence (AI) in Logistics Major Manufacturer Table Representative Artificial intelligence (AI) in Logistics Product One of IBM Table Representative Artificial intelligence (AI) in Logistics Product Two of IBM Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of IBM 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Google Table Representative Artificial intelligence (AI) in Logistics Product Two of Google Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Google 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Microsoft Corporation Table Representative Artificial intelligence (AI) in Logistics Product Two of Microsoft Corporation Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Microsoft Corporation 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Amazon Web Services Inc Table Representative Artificial intelligence (AI) in Logistics Product Two of Amazon Web Services Inc Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Amazon Web Services Inc 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Oracle Corporation Table Representative Artificial intelligence (AI) in Logistics Product Two of Oracle Corporation Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Oracle Corporation 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of SAP Table Representative Artificial intelligence (AI) in Logistics Product Two of SAP Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of SAP 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Facebook Table Representative Artificial intelligence (AI) in Logistics Product Two of Facebook Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Facebook 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Alibaba Table Representative Artificial intelligence (AI) in Logistics Product Two of Alibaba Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Alibaba 2016-2021 Table Representative Artificial intelligence (AI) in Logistics Product One of Baidu Table Representative Artificial intelligence (AI) in Logistics Product Two of Baidu Table Artificial intelligence (AI) in Logistics Sales, Revenue, Price and Gross Margin of Baidu 2016-2021