Oplysningerne er fra 2003. Andre år: Kilde: Calculated on the basis of data on data on receipts of royalties and license fees from World Bank. 2005. World Development Indicators 2005. CD-ROM. Washington, DC., based on data from the International Monetary Fund, and data on population from UN (United Nations). 2005. World Population Prospects 1950-2050: The 2004 Revision. Database. Department of Economic and Social Affairs, Population Division. New York.