Bosnia and Herzegovina
less than 0.1% (2001 est.)

Botswana
38.8% (2001 est.)

Brazil
0.7% (2001 est.)

British Virgin Islands
NA%

Brunei
0.2% (2001 est.)

Bulgaria
less than 0.1% - note: no country specific models provided
(2001 est.)

Burkina Faso
6.5% (2001 est.)

Burma
1.99% (2001 est.)

Burundi
8.3% (2001 est.)

Cambodia
2.7% (2001 est.)