The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Gibraltar
0 cu m (2008 est.)

Greece
9 million 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.)

Guinea-Bissau
0 cu m (2008 est.)

Guyana
0 cu m (2008 est.)

Haiti
0 cu m (2008 est.)