Year	MJ/$2011 PPP GDP
1990	13.0544570956682
1991	12.0055034833947
1992	11.2829250825123
1993	10.8316026862453
1994	10.2298404951479
1995	10.0390328090992
1996	9.55187234156848
1997	9.04666601253909
1998	8.97663525454658
1999	8.68881314202663
2000	8.42042820913324
2001	8.19476584132961
2002	8.09883884885124
2003	8.33843265101113
2004	8.61916993124292
2005	8.58700654693989
2006	8.3863884715643
2007	8.04755558882354
2008	7.66601199082331
2009	7.58496984372124
2010	7.58967230962067
2011	7.42940116213586
2012	7.1886975691723
2013	6.95831957862698
2014	6.39891178124804
2015	6.07287040942819