Year	kg of oil equivalent (constant 2011 PPP)
1990	348.216935013704
1991	295.07855843603
1992	297.367499177075
1993	323.682593770593
1994	308.243939517008
1995	325.194166232935
1996	321.145501578025
1997	294.315695891162
1998	266.32234840867
1999	265.869247821191
2000	257.812219597368
2001	258.924544309546
2002	238.159019799177
2003	232.09847850953
2004	212.10474480323
2005	209.171813212668
2006	201.23214648304
2007	184.338006537183
2008	171.535030007126
2009	156.938232043985
2010	158.127361686295
2011	166.949834699817
2012	159.354536340065
2013	146.127893964388
2014	151.776781374294