Year	MJ/$2011 PPP GDP
1990	5.02946289895235
1991	4.65997816405767
1992	4.61765811545951
1993	4.53107440508589
1994	4.63638261814746
1995	4.52407497568516
1996	4.58099078811526
1997	4.57908922564859
1998	4.28582335237591
1999	4.19897234879564
2000	4.24910086159959
2001	4.02348686047107
2002	3.696341744968
2003	3.54364939681163
2004	3.27452449706366
2005	2.7858787809786
2006	2.48202947693945
2007	2.20280484840815
2008	2.24637369117326
2009	2.34720298736415
2010	2.47907072384323
2011	2.26741224574028
2012	2.2745043688399
2013	2.13006096905633
2014	2.13362345961947
2015	2.107222144