Year	kg of oil equivalent (constant 2011 PPP)
1990	304.630571307942
1991	373.496744736043
1992	360.273967850641
1993	347.987789734628
1994	294.635783804813
1995	276.31681236479
1996	227.653665708953
1997	214.618601145401
1998	209.339975024658
1999	203.380270829616
2000	214.745743225706
2001	210.167071944191
2002	214.870183053883
2003	196.126289456905
2004	182.560225321224
2005	196.071618158434
2006	205.493346550965
2007	195.258578073171
2008	179.981749809709
2009	189.3832136937
2010	188.535325569704
2011	175.872106814022
2012	173.248907734323
2013	170.995158378438
2014	161.978727800047
