Year	MJ/$2011 PPP GDP
1990	9.55184973912938
1991	9.30442096470045
1992	9.26014953802541
1993	8.95518814784716
1994	8.96865967914371
1995	8.64297336578672
1996	9.64719851208874
1997	9.46627521932747
1998	8.98202669184217
1999	8.89457316788141
2000	7.25496150279528
2001	7.32510709860239
2002	7.50897607002651
2003	7.65578977499891
2004	7.65372413494544
2005	7.55145743701808
2006	8.57200595630306
2007	8.79337179745273
2008	8.56937563057823
2009	8.78718414049568
2010	9.14201724642486
2011	9.12302418951263
2012	9.03123337825779
2013	8.83196748169947
2014	8.61562266942328
2015	9.07481537036461