The 2001 CIA World Factbook

by United States. Central Intelligence Agency

Brazil:
0.57% (1999 est.)

British Virgin Islands:
NA%

Brunei:
0.2% (1999 est.)

Bulgaria:
0.01% (1999 est.)

Burkina Faso:
6.44% (1999 est.)

Burma:
1.99% (1999 est.)

Burundi:
11.32% (1999 est.)

Cambodia:
4.04% (1999 est.)

Cameroon:
7.73% (1999 est.)

Canada:
0.3% (1999 est.)