The 2004 CIA World Factbook

by United States. Central Intelligence Agency

Pakistan
23.4 billion cu m (2001 est.)

Papua New Guinea
110 million cu m (2001 est.)

Peru
370 million cu m (2001 est.)

Philippines
10 million cu m (2001 est.)

Poland
13.85 billion cu m (2001 est.)

Portugal
2.542 billion cu m (2001 est.)

Puerto Rico
630 million cu m (2001 est.)

Qatar
15.86 billion cu m (2001 est.)

Romania
19.7 billion cu m (2001 est.)

Russia
408.1 billion cu m (2001 est.)