The 2003 CIA World Factbook

by United States. Central Intelligence Agency

Turkey
15.94 billion cu m (2001 est.)

Turkmenistan
9.6 billion cu m (2001 est.)

Ukraine
74.1 billion cu m (2001 est.)

United Arab Emirates
37.86 billion cu m (2001 est.)

United Kingdom
92.85 billion cu m (2001 est.)

United States
640.9 billion cu m (2001 est.)

Uruguay
40 million cu m (2001 est.)

Uzbekistan
45.2 billion cu m (2001 est.)

Venezuela
31.71 billion cu m (2001 est.)

Vietnam
1.3 billion cu m (2001 est.)