Year	kg of oil equivalent (constant 2011 PPP)
1990	88.1168097077966
1991	85.5153806153189
1992	84.0503295916174
1993	82.8918692515109
1994	75.3785349902425
1995	73.7593992296374
1996	79.519457850609
1997	77.4483417254825
1998	75.1990268936778
1999	76.9902846067717
2000	79.9948166797047
2001	78.5474030852891
2002	76.9434032892334
2003	76.9190696277183
2004	73.9224142082771
2005	71.1819148971398
2006	66.7137255042279
2007	63.6913631083889
2008	59.1677570073941
2009	56.7157636568041
2010	56.5421746045661
2011	55.995327289829
2012	55.2123703626922
2013	47.601536057055
2014	48.4193289465899