Year	kg of oil equivalent (constant 2011 PPP)
1990	207.738617622964
2000	291.915666080344
2001	307.463572276206
2002	302.616129158066
2003	304.66438678196
2004	232.086470863529
2005	247.584975899874
2006	254.131135586853
2007	257.045423416371
2008	311.5333955126
2009	319.180748400272
2010	327.94278887774
2011	322.485212398362
2012	312.962969681867
2013	312.954983984681
2014	312.556981881854