coverage includes 179 countries categorized by income group using the world banks2012 classifications. Regional totals were aggregated form national totals and represent59% of Africa south of the sahara,99% of other asia-pacific countries,87% of other latin American and Caribbean countries. 86% of west asia and north Africa, 55% of eastern Europe and the former soviet states, and 96% of high-income countries for which no macroeconomic data were available (such as cuba,noth korea,and Somalia) were excluded more information on data sources ,estimation procedure,and country