Year	MJ/$2011 PPP GDP
1990	4.16101477928455
1991	4.53630970857927
1992	4.71387152687268
1993	4.87045280454967
1994	4.99820627644897
1995	4.9627506855327
1996	4.92385062586227
1997	4.82483552511026
1998	4.62015480021587
1999	4.55097089494669
2000	4.50672441351616
2001	4.72377842901887
2002	4.89130973083094
2003	4.80852912077518
2004	4.66529076058439
2005	4.63499833355634
2006	4.63978736458467
2007	4.57609319391453
2008	4.62628363796855
2009	4.78999031408409
2010	4.85782205891502
2011	4.7575588369682
2012	4.8798577411089
2013	4.76278629803949
2014	4.8339555999376
2015	4.753832822726