The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Tonga
12.47% (31 December 2009 est.)
12.46% (31 December 2008 est.)

Trinidad and Tobago
11.94% (31 December 2009 est.)
12.44% (31 December 2008 est.)

Tunisia
NA%

Turkey
NA%

Uganda
20.96% (31 December 2009 est.)
20.45% (31 December 2008 est.)

Ukraine
20.86% (31 December 2009 est.)
17.49% (31 December 2008 est.)

United Kingdom
0.63% (31 December 2009 est.)
4.63% (31 December 2008 est.)

United States
3.25% (31 December 2009 est.)
5.09% (31 December 2008 est.)

Uruguay
15.28% (31 December 2009 est.)
12.45% (31 December 2008 est.)

Vanuatu
5.5% (31 December 2009 est.)
5.29% (31 December 2008 est.)