Year	kg of oil equivalent (constant 2011 PPP)
1990	293.355236521387
1991	304.186460139405
1992	310.686935153073
1993	309.599071859217
1994	307.964350162397
1995	306.533117015957
1996	303.024248987118
1997	284.917484065594
1998	285.061638821233
1999	279.797408768496
2000	262.944534777976
2001	255.442260025026
2002	245.360800205842
2003	239.124808680267
2004	223.495819573624
2005	209.410160751789
2006	199.972551283102
2007	187.878009385319
2008	182.190730730905
2009	179.33214335744
2010	182.816456253897
2011	181.078609022789
2012	177.055937021851
2013	167.515085884446
2014	158.58550160158