Year	kg of oil equivalent (constant 2011 PPP)
1990	108.500061044612
1991	109.30504961531
1992	106.447272073419
1993	106.176064454455
1994	103.453799236838
1995	106.8705001744
1996	102.297524510335
1997	100.748821103309
1998	98.4734659775155
1999	98.6008881627021
2000	94.0260126942333
2001	97.7425062001155
2002	98.2628841289292
2003	102.620363798358
2004	99.8243284860649
2005	104.282107371116
2006	102.070437384018
2007	99.1324028800647
2008	97.0146106136098
2009	102.558118861631
2010	94.7849351855581
2011	96.0682305035543
2012	96.7763750481631
2013	95.6776106421501
2014	91.0725223406545
2015	87.8678003423588