The 2006 CIA World Factbook

by United States. Central Intelligence Agency

Nigeria
19.2 billion cu m (2003 est.)

Niue
0 cu m (2003 est.)

Norway
73.4 billion cu m (2003 est.)

Oman
16.5 billion cu m (2003 est.)

Pakistan
23.8 billion cu m (2003 est.)

Panama
0 cu m (2003 est.)

Papua New Guinea
140 million cu m (2003 est.)

Paraguay
0 cu m (2003 est.)

Peru
560 million cu m (2003 est.)

Philippines
2.3 billion cu m (2003 est.)