Year	kg of oil equivalent (constant 2011 PPP)
1990	239.569938555516
1991	245.165560704133
1992	239.47327125937
1993	232.027327989969
1994	218.594557222197
1995	208.596730128065
1996	206.53314725113
1997	209.141422247554
1998	203.246691145678
1999	186.627797044419
2000	188.169151087509
2001	187.788318521341
2002	186.72503655959
2003	188.580699134997
2004	184.052740219045
2005	170.701026700395
2006	163.484643423324
2007	154.93516643982
2008	147.438007209471
2009	145.115933672587
2010	149.469343787402
2011	141.587557059821
2012	142.113271720141
2013	140.59292133896
2014	134.449351949147
2015	126.121546393174