Year	kg of oil equivalent (constant 2011 PPP)
1990	259.705523183657
1991	256.306890148457
1992	252.580636382873
1993	245.914158635617
1994	233.7581844932
1995	230.061539511755
1996	224.851344596861
1997	212.730340538491
1998	207.766643452001
1999	202.026516021987
2000	192.768257979793
2001	189.114635350564
2002	185.748456981738
2003	188.668617935666
2004	189.539608142474
2005	187.377836872815
2006	183.275288923792
2007	175.970461186134
2008	170.192056449049
2009	168.793505911384
2010	170.491189769132
2011	168.687670973365
2012	165.047380012476
2013	160.560883518786
2014	154.580111110248