Year	kg of oil equivalent (constant 2011 PPP)
1990	316.075174732448
1991	317.483675869789
1992	360.320578575378
1993	341.12852063204
1994	310.048518663094
1995	315.165917393071
1996	284.377099351389
1997	274.197894749549
1998	272.709837289319
1999	293.229443177007
2000	285.936128794559
2001	281.118985720464
2002	303.145921688633
2003	349.27236589075
2004	362.294271894687
2005	403.24123194805
2006	427.673299329413
2007	435.061779731031
2008	490.999024659041
2009	446.649790878698
2010	386.372373861703
2011	366.703901328133
2012	331.440825053198
2013	339.279541498618
