The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Sierra Leone
7.5% (2005 est.)

Singapore
6.4% (2005 est.)

Slovakia
6% (2005 est.)

Slovenia
4% (2005 est.)

Solomon Islands
4.4% (2005 est.)

Somalia
2.4% (2005 est.)

South Africa
4.9% (2005 est.)

Spain
3.5% (2005 est.)

Sri Lanka
6% (2005 est.)

Sudan
8% (2005 est.)