Year	MJ/$2011 PPP GDP
1990	3.47120095585287
1991	3.49831301905405
1992	3.46861553843461
1993	3.1713121092189
1994	3.25524323498173
1995	3.72803551602077
1996	3.8597567074471
1997	3.84077645713998
1998	3.82161485029804
1999	3.60962873117106
2000	3.95622310594248
2001	4.03615980208385
2002	3.78383580181125
2003	3.73831980675504
2004	3.33635100979128
2005	3.30664333861119
2006	3.18126849694901
2007	3.52190732067392
2008	3.05058821056231
2009	3.61321842531902
2010	3.52795752763797
2011	3.46338335725025
2012	3.23658058725027
2013	3.33529767433781
2014	3.41790756339416
2015	3.62322732622132