Year	MJ/$2011 PPP GDP
1990	6.65807191863327
1991	6.89946016879686
1992	6.97653844791582
1993	6.90859377505888
1994	6.80738246024474
1995	6.60206134849115
1996	6.59582552275055
1997	6.75579397464205
1998	6.62222855424137
1999	6.52922742206138
2000	6.57228006837002
2001	6.35890158278415
2002	6.07131319214059
2003	5.72720956135924
2004	5.65576086233002
2005	5.34330433966197
2006	5.19370349071083
2007	5.10540178777765
2008	5.25354848830852
2009	5.32262107406112
2010	5.50730631845077
2011	5.34250805280331
2012	5.45509105791576
2013	5.41481098901986
2014	5.51983878470047
2015	5.42357488787572