Year	kg of oil equivalent (constant 2011 PPP)
1990	222.969473625835
1991	219.690086934323
1992	216.065194328525
1993	211.331580221288
1994	205.458190313872
1995	204.716502560461
1996	199.231327702901
1997	190.411224935473
1998	185.220781262139
1999	181.983144545479
2000	175.402517224418
2001	174.098007570991
2002	172.429754525559
2003	176.240517614438
2004	176.211038287199
2005	174.407730463374
2006	171.060929736802
2007	164.968899463498
2008	161.052908908095
2009	161.224166623059
2010	161.408010916063
2011	159.951610042191
2012	157.264050789974
2013	153.212545575641
2014	149.055868414411