Year	kg of oil equivalent (constant 2011 PPP)
1990	291.238890862903
1991	302.328091661076
1992	306.998039809928
1993	305.352720496191
1994	300.698559046135
1995	295.756600363937
1996	291.537614233345
1997	273.498038850522
1998	270.269862537204
1999	264.00068509153
2000	248.043018059294
2001	241.656751006113
2002	232.641344350801
2003	227.361226023131
2004	213.168866712165
2005	200.71741861625
2006	192.32347014289
2007	180.695974228949
2008	175.302640962132
2009	171.495344461487
2010	175.075701806996
2011	173.043262699873
2012	169.021031709876
2013	160.577120059191
2014	151.669700405061