More information is available at http://pwt.econ.upenn.edu/Documentation/append61.pdf.
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Source Indicator: ki
Source: University of Pennsylvania
Release: Penn World Table 7.1
University of Pennsylvania, Investment Share of Purchasing Power Parity Converted GDP Per Capita at constant prices for Sierra Leone [KIPPPGSLA156NUPN], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/KIPPPGSLA156NUPN/, August 3, 2015.