The GDPs of all nations around the world are from Summers, Robert and Heston, Alan, “A whole new List of Intercontinental Comparisons of Serious Merchandise and Value Amount Estimates for one hundred thirty Nations around the world, 1950–1985,” Critique of Earnings and Wealth 34 (03 1988), pp. one–26CrossRefGoogle Scholar. https://billx344fbv9.blogsvila.com/profile