Rwanda
2.9% of GDP (2006 est.)
Saint Kitts and Nevis
NA
Saint Lucia
NA
Saint Vincent and the Grenadines
NA
Samoa
NA
San Marino
NA
Sao Tome and Principe
0.8% of GDP (2006)
Saudi Arabia
10% of GDP (2005 est.)
Senegal
1.4% of GDP (2005 est.)
Seychelles
2% of GDP (2006 est.)