Index: INDEX List

[1] Misery index=Unemployment rate + Inflation rate.

[2] Ease of doing business index.

[3] Ecological Footprint.

[4] The Observatory of Economic Complexity (Product Exports Treemaps by countires).

[5] Economic Freedom of the World.

[6] 中国采购经理指数，国家统计局.

[7] 生态环境部数据中心.

[8] flightradar24. 民航客机航迹、坐标等信息.

[9] AirVisual，全球PM2.5监测.