Year	MJ/$2011 PPP GDP
1990	4.34297590019939
1991	4.13724610340371
1992	4.32768899905876
1993	4.09293352285509
1994	3.93755081681792
1995	3.75846831598555
1996	3.57894566064406
1997	2.89991527453215
1998	3.37085331211566
1999	3.13704298780575
2000	3.0007525695165
2001	2.76869091588759
2002	2.71018851005518
2003	2.6703207617054
2004	2.99990455312901
2005	3.01412852989005
2006	2.82168347435604
2007	2.84470335124966
2008	2.56642547420495
2009	2.96959208286291
2010	2.93750291667313
2011	3.26212883970692
2012	3.38862352078145
2013	4.73987095277839
2014	4.02736864841881
2015	4.03347210764914