Year kg of oil equivalent (constant 2021 PPP) 1990 129.357152197359 1991 139.84651443694216 1992 132.22041880559846 1993 136.02921585504455 1994 127.9787832162367 1995 130.96843035290613 1996 134.28390707711762 1997 127.62342292966011 1998 121.33049066720127 1999 116.84336670044596 2000 109.63741627724417 2001 107.8747941999137 2002 103.00443862282421 2003 101.04073660288644 2004 95.97811710638622 2005 97.24685729027505 2006 92.80132516437536 2007 90.5208069333041 2008 88.74434385307269 2009 89.16169224819876 2010 91.23972214502555 2011 86.92823496995561 2012 82.85502853573061 2013 77.952463901868 2014 75.98297351995141 2015 76.82723170043616