The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Armenia
33.3% of GDP (2010 est.)

Australia
27.4% of GDP (2010 est.)

Austria
21% of GDP (2010 est.)

Azerbaijan
17.3% of GDP (2010 est.)

Bahrain
26.6% of GDP (2010 est.)

Bangladesh
23.8% of GDP (2010 est.)

Belarus
36% of GDP (2010 est.)

Belgium
20.8% of GDP (2010 est.)

Belize
26.2% of GDP (2010 est.)

Benin
18.5% of GDP (2010 est.)