Forest cover map © FAO, and forest area from
http://www.fao.org/forestry/site/country-info/en
Population and GDP in 2010, and latest Gini coefficient, from the World Bank
http://www.worldbank.org/data/
Corruption Perceptions Index data from Transparency International, 2010 http://www.transparency.org/cpi2010
World Bank Governance Indicators, 2008
http://info.worldbank.org/governance/wgi/sc_country.asp