Year	MJ/$2011 PPP GDP
1990	3.80957512167583
1991	3.82379886350923
1992	3.88179147167433
1993	3.8015831727925
1994	3.79938652970967
1995	3.76322887346385
1996	3.87778538947218
1997	3.94084953998611
1998	4.0217825990965
1999	4.09373895058941
2000	3.94784572124322
2001	3.9512174689924
2002	3.93562057715601
2003	3.95521090396004
2004	3.94773867724998
2005	3.92159460955982
2006	3.90332986778856
2007	3.8886675500881
2008	3.90636388185477
2009	3.78343893790351
2010	3.89055964375559
2011	3.80276505686312
2012	3.89295356881582
2013	3.93983205111742
2014	4.04384438186657
2015	4.13022139420731