The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Togo
1.6% of GDP (2005 est.)

Tonga
0.9% of GDP (2006 est.)

Trinidad and Tobago
0.3% of GDP (2006)

Tunisia
1.4% of GDP (2006)

Turkey
5.3% of GDP (2005 est.)

Turkmenistan
3.4% of GDP (2005 est.)

Tuvalu
NA

Uganda
2.2% of GDP (2006)

Ukraine
1.4% of GDP (2005 est.)

United Arab Emirates
3.1% of GDP (2005 est.)