Year	kg of oil equivalent (constant 2011 PPP)
1990	97.5421228105306
1991	98.6644943795599
1992	99.5741900366347
1993	96.4997355395116
1994	99.4825816807401
1995	101.275358825356
1996	97.1852334090737
1997	99.6147689158428
1998	100.32352169181
1999	100.666387376506
2000	100.23520860895
2001	98.8958035266456
2002	98.9915597270508
2003	99.2357520710078
2004	100.383057802607
2005	98.8206900797024
2006	94.7774624628013
2007	92.6322784285511
2008	88.5828110575335
2009	84.4557195536138
2010	84.3778033522605
2011	83.8736938237132
2012	86.2564455543604
2013	81.8837866710518
2014	79.0065482864909
2015	79.4666777328662