Year	kg of oil equivalent (constant 2011 PPP)
1990	245.775311917225
1991	268.700003476267
1992	305.713347916724
1993	360.370164675685
1994	376.349074504192
1995	389.579137615626
1996	406.983249409088
1997	438.783676185042
1998	456.948141289594
1999	479.286611130979
2000	515.394044362245
2001	544.127456450394
2002	546.911696899191
2003	537.336172582164
2004	523.483518152042
2005	512.302698048687
2006	504.843873175615
2007	492.396424414578
2008	480.65096784605
2009	481.332436789427
2010	465.931905524484
2011	462.995843032866
2012	536.43071957325
2013	519.674548295372
2014	496.044702447857