Year	kg of oil equivalent (constant 2011 PPP)
1990	199.979668197317
1991	190.442261760502
1992	187.76273439873
1993	187.541886157945
1994	184.629089504949
1995	183.604940514459
1996	179.074161391079
1997	174.441799369433
1998	173.37994779889
1999	171.19406167369
2000	167.847071093224
2001	165.19537036525
2002	164.296460035131
2003	167.612408995829
2004	171.980905591121
2005	170.733618240776
2006	168.347365728207
2007	163.80676644516
2008	158.788824849123
2009	158.965786192351
2010	159.896800159992
2011	156.528193543141
2012	152.072524670702
2013	148.014067963461
2014	142.762072648454