Year	kg of oil equivalent (constant 2011 PPP)
1990	168.172321378109
1991	171.204023509964
1992	168.343924976707
1993	165.963817035865
1994	162.436942358896
1995	160.445345525132
1996	155.185523909329
1997	155.326474165462
1998	150.74288455431
1999	147.771287838888
2000	145.678699999667
2001	142.03613204463
2002	140.667561035086
2003	134.902362364631
2004	131.925460042423
2005	127.196414313015
2006	124.070016033848
2007	122.036383806936
2008	123.110208023316
2009	125.150675973698
2010	121.47277609694
2011	120.07233897558
2012	119.028855014736
2013	114.750203859209
2014	113.391964445627
