The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Bhutan
22.4% (2007 est.)

Bolivia
4.6% (2007 est.)

Bosnia and Herzegovina
6% (2007 est.)

Botswana
4.8% (2007 est.)

Brazil
5.4% (2007 est.)

British Virgin Islands
1% (2002 est.)

Brunei
0.4% (2007 est.)

Bulgaria
6.2% (2007 est.)

Burkina Faso
4.2% (2007 est.)

Burma
3.8% (2007 est.)