The 2007 CIA World Factbook

by United States. Central Intelligence Agency

Bhutan
81.4% of GDP (2004)

Bosnia and Herzegovina
24.5% of GDP (2006 est.)

Botswana
7.1% of GDP (2006 est.)

Brazil
50.7% of GDP (2006 est.)

Bulgaria
23.8% of GDP (2006 est.)

Cameroon
28.4% of GDP (2006 est.)

Canada
65.4% of GDP (2006 est.)

Chile
3.9% of GDP (2006 est.)

China
22.1% of GDP (2006 est.)

Colombia
45.3% of GDP (2006 est.)