Year	kg of oil equivalent (constant 2011 PPP)
1990	136.032087306494
1991	140.214960234515
1992	135.855877177206
1993	135.348364050876
1994	132.28638710333
1995	136.599802839966
1996	139.09880686979
1997	129.22510387391
1998	124.402590824107
1999	116.468142434547
2000	112.790447966386
2001	113.413603513551
2002	114.687730378136
2003	118.524359161675
2004	118.143668253873
2005	113.840328365267
2006	108.787491548381
2007	104.714739723711
2008	101.613994866826
2009	103.272175204831
2010	109.004981924899
2011	99.5021311929565
2012	101.118677906385
2013	100.54246480041
2014	93.5486849395288
2015	90.1883305828797