The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Portugal
21.6% of GDP (2005 est.)

Qatar
21.9% of GDP (2005 est.)

Romania
24.3% of GDP (2005 est.)

Russia
18.1% of GDP (2005 est.)

Rwanda
18.1% of GDP (2005 est.)

Sao Tome and Principe
32.2% of GDP (2005 est.)

Saudi Arabia
16.3% of GDP (2005 est.)

Senegal
20.1% of GDP (2005 est.)

Serbia
14.2% of GDP (2005 est.)

Seychelles
42% of GDP (2005 est.)