The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Barbados
6.7% of GDP (2008)

Belarus
5.2% of GDP (2007)

Belgium
6.1% of GDP (2007)

Belize
5.1% of GDP (2007)

Benin
3.6% of GDP (2007)

Bermuda
1.2% of GDP (2006)

Bhutan
5.1% of GDP (2008)

Bolivia
6.3% of GDP (2006)

Bosnia and Herzegovina
NA

Botswana
8.1% of GDP (2007)