The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Turkey
20.3% of GDP (2008 est.)

Turkmenistan
1.2% of GDP (2008 est.)

Uganda
23.2% of GDP (2008 est.)

Ukraine
27.2% of GDP (2008 est.)

United Arab Emirates
22.8% of GDP (2008 est.)

United Kingdom
16.7% of GDP (2008 est.)

United States
14.3% of GDP (2008 est.)

Uruguay
18.7% of GDP (2008 est.)

Venezuela
19.7% of GDP (2008 est.)

Vietnam
41.9% of GDP (2008 est.)