The 2005 CIA World Factbook

by United States. Central Intelligence Agency

Papua New Guinea
385.5 billion cu m (2004)

Peru
245.1 billion cu m (2004)

Philippines
107.6 billion cu m (1 January 2004)

Poland
154.4 billion cu m (1 January 2002)

Qatar
14.41 trillion cu m (2004)

Romania
111.1 billion cu m (1 January 2002)

Russia
47 trillion cu m (2003)

Rwanda
28.32 billion cu m (1 January 2002)

Saudi Arabia
6.339 trillion cu m (2004)

Serbia and Montenegro
24.07 billion cu m (1 January 2002)