The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Somalia
5.663 billion cu m (1 January 2009 est.)

South Africa
27.16 million cu m (1 January 2006 est.)

Spain
2.548 billion cu m (1 January 2009 est.)

Sri Lanka
0 cu m (1 January 2009 est.)

Sudan
84.95 billion cu m (1 January 2009 est.)

Suriname
0 cu m (1 January 2009 est.)

Swaziland
0 cu m (1 January 2009 est.)

Sweden
0 cu m (1 January 2009 est.)

Switzerland
0 cu m (1 January 2006 est.)

Syria
240.7 billion cu m (1 January 2009 est.)