Year	MJ/$2011 PPP GDP
1990	3.90845904428244
1991	3.87703502559447
1992	3.90053850052041
1993	3.740736356141
1994	3.78913565998539
1995	3.82292434899595
1996	3.81648955171498
1997	3.82646983625035
1998	3.96329982915545
1999	4.19228579677593
2000	4.16779586022354
2001	4.15815509167674
2002	4.03576551331213
2003	4.09176577999505
2004	4.08528443140511
2005	3.97760238107161
2006	3.8335588787721
2007	3.87472247303061
2008	3.59544732682537
2009	4.10539939569864
2010	4.34512736791726
2011	4.46022983453968
2012	4.40007951440531
2013	4.61593237380618
2014	4.86250315799195
2015	4.48345586321932