The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Georgia
1.72 billion cu m (2008 est.)

Germany
94.57 billion cu m (2009 est.)

Ghana
0 cu m (2008 est.)

Gibraltar
0 cu m (2008 est.)

Greece
3.556 billion cu m (2009 est.)

Greenland
0 cu m (2008)

Grenada
0 cu m (2008 est.)

Guam
0 cu m (2008 est.)

Guatemala
0 cu m (2008 est.)

Guinea
0 cu m (2008 est.)