Year	MJ/$2011 PPP GDP
1990	4.80206389403148
1991	2.40527076025824
1992	4.31299867557337
1993	4.48715587960559
1994	4.85442750204783
1995	4.74602629111504
1996	4.63941202514669
1997	4.57334779538798
1998	5.04051442747484
1999	5.50817745750006
2000	5.46516670347406
2001	5.79052608246541
2002	5.78138919630392
2003	5.25359997089513
2004	5.0610884176313
2005	5.17099675044867
2006	4.69613410499346
2007	4.53453093505123
2008	4.83735942423323
2009	5.69460796785441
2010	5.95657324134681
2011	5.48488904331995
2012	5.90828930440456
2013	5.48651684311403
2014	4.96721336954492
2015	5.31679325205474