The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Grenada
0 cu m (1 January 2006 est.)

Guam
0 cu m (1 January 2006 est.)

Guatemala
2.96 billion cu m (1 January 2006 est.)

Guinea
0 cu m (1 January 2006 est.)

Guinea-Bissau
0 cu m (1 January 2006 est.)

Guyana
0 cu m (1 January 2006 est.)

Haiti
0 cu m (1 January 2006 est.)

Honduras
0 cu m (1 January 2006 est.)

Hong Kong
0 cu m (1 January 2006 est.)

Hungary
8.098 billion cu m (1 January 2008 est.)