Year	MJ/$2011 PPP GDP
1990	9.47087033335073
1991	9.55620017059604
1992	9.52862148587789
1993	9.53994559450201
1994	9.43895149985741
1995	9.38713764335419
1996	9.2175252133861
1997	9.13508397014605
1998	9.12159005990969
1999	9.13641546901653
2000	8.90326483558481
2001	8.82126639809291
2002	8.71678292201925
2003	8.47741000732795
2004	7.87073816188945
2005	7.59530687973573
2006	7.31669349653831
2007	7.08100409782437
2008	6.85775974893772
2009	6.59881957463271
2010	6.47408512373904
2011	6.46195762266396
2012	6.3475220723208
2013	6.12837216523426
2014	5.93186625857614
2015	5.89994237864464