Fig. 4. Gross national income per person averaged for the period 1999–2003. National income is converted to U.S. dollars using the World Bank Atlas method. U.S. dollar values are obtained from domestic currencies using a 3-yr weighted average of the exchange rate (World Bank 2003). From "Ecosystems and Human Well-being: Scenarios, Volume 2" by Steve R. Carpenter, et al., eds. Copyright (c) 2005 Millennium Ecosystem Assessment. Reproduced by permission of Island Press, Washington, D.C.