Year	MJ/$2011 PPP GDP
1990	4.56423398942267
1991	4.32596117879525
1992	4.8439106658991
1993	4.76709057670118
1994	4.53292176648823
1995	4.337375286353
1996	3.99854629375843
1997	3.88362503321711
1998	4.35253087892973
1999	4.09852941330173
2000	4.17748094311282
2001	4.2158768115323
2002	4.03743108543001
2003	3.84647706379691
2004	3.68296313016359
2005	3.63508361107367
2006	3.46682161922541
2007	3.3089131260978
2008	3.2959274511391
2009	3.32906920805701
2010	3.35647819804297
2011	3.0407644843045
2012	3.30144105000541
2013	3.17814403413484
2014	3.29552576548693
2015	3.35102805516129