Year	kg of oil equivalent (constant 2011 PPP)
1990	503.951076287354
1991	449.060490582356
1992	406.537224867742
1993	378.189422961953
1994	350.363508548714
1995	339.056843579052
1996	317.012703099012
1997	289.916887693579
1998	270.691345186632
1999	256.274313354528
2000	243.630160111975
2001	234.029820269762
2002	228.907201793299
2003	237.732200580152
2004	246.258434889118
2005	244.387175180192
2006	237.028325373491
2007	224.415963057243
2008	211.101475722021
2009	206.158560574355
2010	205.801868250518
2011	201.485951198903
2012	193.895036294224
2013	185.72418599406
2014	175.773221723548