The GDPs of all countries are from Summers, Robert and Heston, Alan, “A brand new Set of Intercontinental Comparisons of Serious Products and Rate Stage Estimates for one hundred thirty Countries, 1950–1985,” Assessment of Earnings and Prosperity 34 (03 1988), pp. 1–26CrossRefGoogle Scholar. These estimates are according to buying https://epeliu332pfo6.laowaiblog.com/profile