Year	kg of oil equivalent (constant 2011 PPP)
1990	533.712360399546
1991	526.310090868679
1992	485.813564063692
1993	447.778473149382
1994	430.628176054739
1995	444.616826599352
1996	444.146814618026
1997	397.68358457504
1998	359.37894029568
1999	338.44097642038
2000	325.096302193909
2001	311.743349600521
2002	302.544809299111
2003	290.966390088183
2004	269.997163569015
2005	246.548515118646
2006	238.580887413118
2007	215.181258487809
2008	195.537718781647
2009	185.285253190923
2010	178.347883198392
2011	180.445712369263
2012	184.431624432668
2013	163.305816578046
2014	163.300298336344