Year	kg of oil equivalent (constant 2011 PPP)
1990	219.914012386333
1991	221.659053036612
1992	221.271987785703
1993	217.053906179937
1994	218.620909000303
1995	216.584745315586
1996	212.230730204894
1997	208.523801588601
1998	207.003101385866
1999	205.413328410686
2000	196.991477421796
2001	194.192420946618
2002	193.444125917708
2003	189.494515279199
2004	183.516538396109
2005	177.308198238618
2006	171.459894516082
2007	165.180915881525
2008	160.726486323632
2009	158.208597258006
2010	154.207870105933
2011	153.567374685752
2012	150.461871556811
2013	148.002373696111
2014	148.166128820086