... this book and its companions— Africa Development Indicators Online 2011, Africa Development Indicators 2011 Mul-tiple User CD-ROM, and The Little Data Book on Africa 2011 (online only). Yohannes ... on the Africa Development Indicators Multiple User CD-ROM and Af-rica Development Indicators Online. Data for some indicators, including macro economic statistics, Doing Business indicators, ... capita changes over time, the 4 Africa Development Indicators 2011 country composition of income groups may change from one edition of Africa Development Indicators to the next. Once the classification...