Year	kg of oil equivalent (constant 2011 PPP)
1990	120.231626708543
1991	119.51800029278
1992	117.813307191702
1993	118.247535514268
1994	115.582982611186
1995	117.548751405617
1996	119.35242704481
1997	115.998892988896
1998	114.574938952055
1999	111.206821469867
2000	108.475191202474
2001	108.959220896094
2002	107.859914849966
2003	109.280926642092
2004	108.322832750031
2005	106.718259356814
2006	103.58700258343
2007	98.7950571302342
2008	98.1102033811746
2009	97.0888525487008
2010	98.5093090497828
2011	93.074050586339
2012	93.0342169799871
2013	92.5060899147532
2014	87.8095481783799
2015	87.3575068214935