Source: University of Pennsylvania
Release: Penn World Table 7.1
This is the current per capita GDP expressed relative to the United State (US=100) in each year.
For more information and proper citation see http://www.rug.nl/research/ggdc/data/pwt/pwt-7.1
Source Indicator: y
University of Pennsylvania, Purchasing Power Parity Converted GDP Per Capita Relative to the United States, G-K method, at current prices for Botswana [PGDPUSBWA621NUPN], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PGDPUSBWA621NUPN, August 18, 2017.