Year	kg of oil equivalent (constant 2011 PPP)
1990	93.1372350833289
1991	88.7127258203073
1992	88.8038496585165
1993	89.5425304247923
1994	90.0206227034958
1995	93.169805360838
1996	89.6661934875967
1997	89.6446945493759
1998	88.8523683976603
1999	86.014169431348
2000	84.5260843668851
2001	87.9939455573344
2002	86.7700134264829
2003	87.2943090060494
2004	84.4834475529033
2005	82.3438253766698
2006	82.7074786599635
2007	80.711677890073
2008	79.9087172101801
2009	80.0302499706504
2010	82.099092046869
2011	79.9996140146655
2012	78.8090567777111
2013	75.917012526727
2014	74.7453390711881