Country/Region
World
Africa
· Eastern Africa
· Middle Africa
· Northern Africa
· Southern Africa
· Western Africa
Americas
· Caribbean
· Central America
· Northern America
· South America
Asia
· Central Asia
· Eastern Asia
· · China
· · Japan
· South-Eastern Asia
· Western Asia
Europe
· Eastern Europe
· Northern Europe
· Southern Europe
· Western Europe
Oceania
· Australia and New Zealand
· Melanesia
· Micronesia
· Polynesia
Year
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
Units
Absolute
Per Capita
Hierarchy
Region first -> then energy
Energy first -> then region