The 2006 CIA World Factbook

by United States. Central Intelligence Agency

United Arab Emirates
$23.53 billion (2005 est.)

United Kingdom
$48.66 billion (2005 est.)

United States
$86.94 billion (2004 est.)

Uruguay
$3.079 billion (2005 est.)

Uzbekistan
$2.681 billion (2005 est.)

Vanuatu
$40.54 million

Venezuela
$29.64 billion (2005 est.)

Vietnam
$8.863 billion (2005 est.)

Yemen
$6.143 billion (2005 est.)

Zambia
$559.8 million (2005 est.)