The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Belize
3% (2008 est.)
1.6% (2007 est.)
5.3% (2006 est.)

Benin
4.8% (2008 est.)
4.5% (2007 est.)
3.8% (2006 est.)

Bermuda
4.6% (2004 est.)

Bhutan
21.4% (2008 est.)
6.3% (2007 est.)
6.5% (2006 est.)

Bolivia
6.1% (2008 est.)
4.6% (2007 est.)
4.8% (2006 est.)

Bosnia and Herzegovina
5.5% (2008 est.)
6% (2007 est.)
6.9% (2006 est.)

Botswana
2.9% (2008 est.)
4.4% (2007 est.)
5.1% (2006 est.)

Brazil
5.1% (2008 est.)
5.7% (2007 est.)
4% (2006 est.)

British Virgin Islands
1% (2002 est.)

Brunei
-1.9% (2008 est.)
0.2% (2007 est.)
4.4% (2006 est.)