Year	MJ/$2011 PPP GDP
1990	4.3156640714937
1991	4.57058431061846
1992	4.73828948862825
1993	5.05225636169641
1994	5.32303454414867
1995	5.35921731291652
1996	5.00534479996359
1997	5.29490504515791
1998	4.88596602196413
1999	4.94672929869913
2000	4.73475789957964
2001	4.95324649963191
2002	4.90104534458322
2003	4.89965940487568
2004	4.89004529895647
2005	5.07066039195912
2006	4.96776220383878
2007	4.87718099912656
2008	4.96615177143294
2009	4.96898825973724
2010	4.76402944816754
2011	4.82860828914984
2012	4.97520655238303
2013	5.05581282801762
2014	5.12053610949816
2015	5.0145484131903