Year	MJ/$2011 PPP GDP
1990	6.8383098540684
1991	7.39281733933212
1992	6.98967299030119
1993	7.19102045309471
1994	6.76544403995955
1995	6.92348813056257
1996	7.10153660021145
1997	6.73090474082186
1998	6.37998884001133
1999	6.13373660969966
2000	5.7693611114276
2001	5.68890411022362
2002	5.44560111938477
2003	5.35363396229048
2004	5.08863389275118
2005	5.15291928991047
2006	4.92397729092979
2007	4.79587484384099
2008	4.70943075609815
2009	4.72961417546563
2010	4.85584450285492
2011	4.63135494334102
2012	4.43404002497334
2013	4.16810401969492
2014	4.21020414966735
2015	4.31831150570238