Year	kg of oil equivalent (constant 2011 PPP)
1990	83.9463625255393
1991	80.5592430799824
1992	78.7725588333496
1993	79.9030801633524
1994	73.7005653173131
1995	73.3019261244002
1996	73.4413535671217
1997	66.7655280363296
1998	70.5042515586494
1999	74.0055889778314
2000	71.8556897527648
2001	68.9216542656794
2002	65.7909993428827
2003	61.9077898491524
2004	65.2521789415147
2005	65.0651664674593
2006	58.752734713466
2007	58.5809745192176
2008	56.3029675448355
2009	58.3847133576646
2010	63.8264425310412
2011	61.1002752385963
2012	61.9493847655297
2013	58.3042750541739
2014	66.4752490905455