Seychelles
5% of GDP (2006)
Sierra Leone
3.8% of GDP (2005)
Singapore
3.2% of GDP (2009)
Slovakia
3.6% of GDP (2007)
Slovenia
5.2% of GDP (2007)
Solomon Islands
2.2% of GDP (1999)
Somalia
NA
South Africa
5.4% of GDP (2009)
Spain
4.4% of GDP (2007)
Sri Lanka
NA