The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Philippines
14.8% of GDP (2007 est.)

Poland
21.7% of GDP (2007 est.)

Portugal
21.7% of GDP (2007 est.)

Qatar
43.3% of GDP (2007 est.)

Romania
28% of GDP (2007 est.)

Russia
21% of GDP (2007 est.)

Rwanda
22% of GDP (2007 est.)

Sao Tome and Principe
36.9% of GDP (2007 est.)

Saudi Arabia
20% of GDP (2007 est.)

Senegal
25.2% of GDP (2007 est.)