Year	kg of oil equivalent (constant 2011 PPP)
1990	82.9714256533979
1991	83.7261664474327
1992	82.5140856584299
1993	82.788206861218
1994	80.0210140832605
1995	84.4405254676235
1996	83.2955848865932
1997	82.9570943731847
1998	83.924183059996
1999	83.9078426578518
2000	82.4449841697708
2001	81.2815990824481
2002	81.6483828598707
2003	85.4271880298198
2004	84.6803485129029
2005	85.4867379011721
2006	83.0408940902537
2007	81.5698643638779
2008	81.3498777738872
2009	80.3664788018495
2010	80.9528865167586
2011	77.8160024512238
2012	76.9083280961479
2013	75.3794607748836
2014	71.1275291972484
2015	72.3701137352603