Year	kg of oil equivalent (constant 2011 PPP)
1990	177.620700769367
1991	207.167830400613
1992	213.793404509171
1993	223.790137582416
1994	229.4408751497
1995	226.565594612951
1996	220.252650903221
1997	217.927129419754
1998	191.000185050074
1999	182.175448733348
2000	184.029235464549
2001	185.32666527873
2002	180.263350497529
2003	189.883202940628
2004	170.004461077525
2005	164.685047362054
2006	155.914986414661
2007	151.083173877453
2008	149.374940950678
2009	146.905705562749
2010	146.984201422794
2011	147.906487034416
2012	146.528170401073
2013	141.822804440757
2014	137.842216648746