The GDPs of all nations around the world are from Summers, Robert and Heston, Alan, “A fresh List of Global Comparisons of Authentic Products and Cost Degree Estimates for a hundred thirty Nations, 1950–1985,” Review of Income and Wealth 34 (03 1988), pp. 1–26CrossRefGoogle Scholar. These estimates are according https://bertiec692lrw2.liberty-blog.com/profile