中国地区（包括第三极）对外贸易及投资数据集（1952-2019）

数据内容：对外经济贸易_货物进出口总额(1952-2019) 及对外经济贸易_按贸易分进出口总额(1981-2019)
数据来源及加工方法：从世界银行官方网站、新浪网获取2015-2019年中国地区（包括第三极）对外贸易及投资原始数据，通过数据整理、筛选及清洗得到1952-2019年中国地区（包括第三极）对外贸易及投资数据集，数据起始时间为1952年至2019年，Microsoft Excel (xlsx)格式。

Data Content: Foreign Economic Relations and Trade_Total Value of Goods Imports and Exports (1952-2019) and Foreign Economic Relations and Trade_Total Value of Imports and Exports Classified by Trade Type (1981-2019)
Data Source and Processing Methods: Raw data on China's foreign trade and investment for the period 2015-2019 were acquired from the official website of the World Bank and Sina.com. Through data organization, screening and cleaning, the dataset of China's regions (including the Third Pole) covering foreign trade and investment from 1952 to 2019 was constructed. The dataset spans the years 1952 to 2019 and is stored in Microsoft Excel (xlsx) format.