United Kingdom
36.8 (1999)

United States
45 (2004)

Uruguay
44.6 (2000)

Uzbekistan
26.8 (2000)

Venezuela
49.1 (1998)

Vietnam
36.1 (1998)

Yemen
33.4 (1998)

Zambia
52.6 (1998)

Zimbabwe
56.8 (2003)

This page was last updated on 19 December, 2006