The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Slovakia
6.308 billion cu m (2008 est.)

Slovenia
1 billion cu m (2008 est.)

Solomon Islands
0 cu m (2008 est.)

Somalia
0 cu m (2008 est.)

South Africa
6.45 billion cu m (2008 est.)

Spain
38.18 billion cu m (2008 est.)

Sri Lanka
0 cu m (2008 est.)

Sudan
0 cu m (2008 est.)

Suriname
0 cu m (2008 est.)

Swaziland
0 cu m (2008 est.)