The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Belgium
1.3% of GDP (2005 est.)

Belize
1.4% of GDP (2009)

Benin
1% of GDP (2009)

Bermuda
0.11% of GDP (2005 est.)

Bhutan
1% of GDP (2005 est.)

Bolivia
1.3% of GDP (2009)

Bosnia and Herzegovina
4.5% of GDP (2005 est.)

Botswana
3.3% of GDP (2006)

Brazil
1.7% of GDP (2009)

Brunei
4.5% of GDP (2006)