Year	MJ/$2011 PPP GDP
1990	7.54732242025995
1991	7.58879484059297
1992	7.39082045630551
1993	7.29360328536047
1994	6.96215189411385
1995	6.92672123690643
1996	6.91381136641404
1997	6.59755826083707
1998	6.45999629164028
1999	6.27699311561354
2000	6.05420805805221
2001	6.00295961608694
2002	5.89008807505219
2003	5.9080545287342
2004	5.7518763147213
2005	5.58631897484149
2006	5.42732162258051
2007	5.1736884686183
2008	5.12027825298632
2009	5.03977180855534
2010	5.14980388969624
2011	4.98270338773689
2012	4.96814179077124
2013	4.86617416362738
2014	4.61265985755051
2015	4.54195311054756