Year	MJ/$2011 PPP GDP
1990	2.22783351737482
1991	2.46313503764323
1992	2.30910444137991
1993	2.31905664346355
1994	2.56697860403267
1995	2.5472717437038
1996	2.82803592161582
1997	3.65577100174885
1998	4.2429389178537
1999	4.89443216752855
2000	5.36839667670073
2001	6.05006201459282
2002	5.10175700060849
2003	5.51127827972791
2004	7.68865538837494
2005	6.53453218465356
2006	6.34311098476255
2007	5.0267517748528
2008	5.5450543625756
2009	4.26306948164294
2010	3.34425546006895
2011	2.36972255526662
2012	2.87049054461019
2013	2.52487805847406
2014	2.97845162927525
2015	2.64140299488298