The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Albania
2.9% of GDP (2002)

Algeria
5.1% of GDP (1999)

American Samoa
NA

Andorra
2.3% of GDP (2006)

Angola
2.4% of GDP (2005)

Anguilla
4% of GDP (2005)

Antigua and Barbuda
3.9% of GDP (2002)

Argentina
3.8% of GDP (2004)

Armenia
3.2% of GDP (2001)

Aruba
4.8% of GDP (2005)