Year kg of oil equivalent (constant 2011 PPP) 1990 62.757371362813 1991 63.9944257269503 1992 61.608699701724 1993 62.6060025589488 1994 57.1324469075613 1995 62.7304342055414 1996 56.6810303207072 1997 54.5805160620463 1998 52.6599412173837 1999 53.2146182230611 2000 49.1201978288352 2001 53.0452237351122 2002 51.0918295446454 2003 59.8084090957357 2004 61.3756193790647 2005 61.6250670921831 2006 75.7166317385176 2007 68.3316094619745 2008 69.2598296475239 2009 73.5885488716686 2010 73.7058237101528 2011 94.8926949303858 2012 104.773630275515 2013 103.907854454698 2014 97.4226181830352