Year	MJ/$2011 PPP GDP
1990	20.8768704293067
1991	20.2325794533966
1992	20.048507207278
1993	18.8711949574403
1994	18.0663326515546
1995	16.5320905513518
1996	15.4402206416598
1997	14.9401485933889
1998	14.4291788280094
1999	13.5484204268782
2000	13.3743961978277
2001	12.9698603355393
2002	12.1332192351593
2003	11.6135003984992
2004	11.1099865011441
2005	10.7498338102832
2006	9.91872736720463
2007	9.40877260388124
2008	8.82002853471303
2009	8.41117445394844
2010	8.25021963608173
2011	7.88119554755181
2012	7.51215178960891
2013	7.45821853221013
2014	7.02914769714678
2015	9.64011748367126