The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Niger
0 cu m (1 January 2006 est.)

Nigeria
5.21 trillion cu m (1 January 2008 est.)

Niue
0 cu m (1 January 2006 est.)

Norway
2.241 trillion cu m (1 January 2008 est.)

Oman
849.5 billion cu m (1 January 2008 est.)

Pakistan
792.8 billion cu m (1 January 2008 est.)

Panama
0 cu m (1 January 2006 est.)

Papua New Guinea
226.5 billion cu m (1 January 2008 est.)

Paraguay
0 cu m (1 January 2007 est.)

Peru
337.8 billion cu m (1 January 2008 est.)