Year	kg of oil equivalent (constant 2011 PPP)
1990	180.282614836486
1991	172.450082234701
1992	165.674317250632
1993	166.330404846621
1994	152.931582235541
1995	148.88196635292
1996	143.798042583762
1997	143.275480310902
1998	144.364736565131
1999	141.797826993514
2000	139.698808698667
2001	140.293470160208
2002	143.991211202139
2003	141.422246451498
2004	145.957856108607
2005	143.669783654893
2006	137.617403228524
2007	138.225100769314
2008	139.878647372492
2009	144.798346860191
2010	151.055550230523
2011	142.111855903506
2012	137.421730068779
2013	130.355426259171