Year	MJ/$2011 PPP GDP
1990	9.61255645429924
1991	9.70615955174467
1992	8.18365317254498
1993	7.81988444806677
1994	7.6102834078082
1995	7.52012475910406
1996	7.22951468549692
1997	7.47429705600854
1998	7.799538817703
1999	8.05134295765423
2000	8.02536181323823
2001	7.93231098880296
2002	7.64181944367067
2003	7.63509301522039
2004	7.46431748670427
2005	8.45143950950799
2006	8.36958888249078
2007	8.29046584158714
2008	8.09637523190927
2009	7.11193515178511
2010	6.92930535696062
2011	6.79159955937092
2012	6.53165724468853
2013	6.79931128804848
2014	4.4497962955147
2015	4.02523310634409