Year	MJ/$2011 PPP GDP
1990	3.91300372601889
1991	3.50440822619518
1992	3.39822242950602
1993	4.54945755080158
1994	4.61526302287497
1995	4.96648075625362
1996	4.98133687903976
1997	5.75691414434907
1998	5.46067244274649
1999	5.73928423381312
2000	5.14798921865567
2001	5.30894346197293
2002	5.10286978638656
2003	4.94809593513441
2004	4.65174291028262
2005	4.31968370632101
2006	4.04240515428187
2007	3.25630924898634
2008	3.8364165689565
2009	4.25801595603072
2010	3.78265579089003
2011	3.68971618148745
2012	4.07940639647074
2013	3.98681107309146
2014	4.15098418913151
2015	4.17764316047602