The 2004 CIA World Factbook

by United States. Central Intelligence Agency

Saudi Arabia
53.69 billion cu m (2001 est.)

Senegal
50 million cu m (2001 est.)

Serbia and Montenegro
602 million cu m (2001 est.)

Singapore
2.5 billion cu m (2001 est.)

Slovakia
7.932 billion cu m (2001 est.)

Slovenia
1.04 billion cu m (2001 est.)

South Africa
1.8 billion cu m (2001 est.)

Spain
17.96 billion cu m (2001 est.)

Sweden
949 million cu m (2001 est.)

Switzerland
3.093 billion cu m (2001 est.)