Year	MJ/$2011 PPP GDP
1990	8.2915979089233
1991	8.54836655208097
1992	8.40018852696283
1993	8.21116167819759
1994	7.99411301080985
1995	7.85816030317115
1996	7.53016367474512
1997	7.52418202136383
1998	7.25603779427374
1999	7.05054707851972
2000	6.94959487076476
2001	6.72480637599239
2002	6.67200102251513
2003	6.33392172930991
2004	6.18110787146406
2005	5.87751946572999
2006	5.66184904777442
2007	5.50764929853643
2008	5.56214240997603
2009	5.64671193201939
2010	5.35317924225662
2011	5.23298571103505
2012	5.19964331645046
2013	4.98862544005017
2014	4.96014949895526
2015	4.73091044855314