Year	kg of oil equivalent (constant 2011 PPP)
1990	103.140933752852
1991	102.604085854292
1992	102.807515114263
1993	99.9079135170336
1994	100.559941428629
1995	100.485658144251
1996	100.876025454498
1997	99.5150524012729
1998	100.352675868793
1999	101.174832387535
2000	98.6708983389468
2001	99.4478107244221
2002	101.118206382705
2003	101.774390150297
2004	100.005204191542
2005	99.4675477792895
2006	98.6653144256435
2007	95.0086792082475
2008	94.6759421360383
2009	95.9117528743931
2010	95.3105939193845
2011	92.8662566604496
2012	94.1347564633343
2013	93.2924328764995
2014	91.4938657317733