The 2004 CIA World Factbook

by United States. Central Intelligence Agency

Spain
25.6% of GDP (2003)

Sri Lanka
22.7% of GDP (2003)

Sudan
14.8% of GDP (2003)

Swaziland
21.1% of GDP (2003)

Sweden
15.7% of GDP (2003)

Switzerland
20.1% of GDP (2003)

Syria
13.6% of GDP (2003)

Taiwan
17.5% of GDP (2003)

Tajikistan
7.5% of GDP (2003)

Tanzania
17.2% of GDP (2003)