Year kg of oil equivalent (constant 2011 PPP) 1990 62.6559532142487 1991 71.7371868676351 1992 72.4085456961033 1993 60.2651447374784 1994 58.9583230073779 1995 63.1494257398505 1996 61.6209913739161 1997 62.222115670678 1998 62.7138132921753 1999 68.2112785940155 2000 68.1999144571631 2001 72.8710109094354 2002 67.9168358092357 2003 72.7343062869807 2004 76.354224319872 2005 77.0185149949323 2006 79.918650629923 2007 75.6818497669527 2008 76.9986362861661 2009 82.2609637958615 2010 74.0798200906347 2011 71.6748789499942 2012 63.3075208164609 2013 83.4470996752477