Bosnia and Herzegovina
less than 0.1% (2007 est.)
Botswana
23.9% (2007 est.)
Brazil
0.6% (2007 est.)
British Virgin Islands
NA
Brunei
less than 0.1% (2003 est.)
Bulgaria
less than 0.1% (2001 est.)
Burkina Faso
1.6% (2007 est.)
Burma
0.7% (2007 est.)
Burundi
2% (2007 est.)
Cambodia
0.8% (2007 est.)