Year	kg of oil equivalent (constant 2011 PPP)
1990	156.33522014094
1991	156.337876590775
1992	155.028689764922
1993	155.297153788543
1994	153.213243512673
1995	152.660839864692
1996	152.304612009962
1997	148.345709107685
1998	144.612415100088
1999	142.442400739545
2000	139.838713955193
2001	137.62563839173
2002	136.282734010508
2003	135.26090659785
2004	133.363891369418
2005	130.38668946987
2006	126.484264937424
2007	123.789158146022
2008	121.815204312577
2009	120.630001320636
2010	121.03834497685
2011	116.461363738898
2012	114.13260569503
2013	112.847895715512
2014	109.688696678103
2015	106.895358953504