Year	MJ/$2011 PPP GDP
1990	9.40483675153359
1991	8.87213774409244
1992	7.80862408047871
1993	7.44806235225374
1994	6.76218268911047
1995	6.43122913246569
1996	6.32962723252082
1997	6.4220842862588
1998	6.30953068823383
1999	6.52010996037639
2000	7.60517734794263
2001	8.39752396910704
2002	8.63942817590231
2003	8.24057313887892
2004	7.85759168660874
2005	7.45352186375445
2006	7.02449012414711
2007	6.68885429080891
2008	6.32633921299721
2009	6.76254258502121
2010	6.39111458364618
2011	5.69321112281205
2012	5.46694223785627
2013	5.35836362333864
2014	5.32672043978253
2015	5.01783285753333