Year	MJ/$2011 PPP GDP
1990	2.62752499489466
1991	2.67931797460732
1992	2.57943242130693
1993	2.62118748733238
1994	2.39202071420826
1995	2.62639719026413
1996	2.37312080907661
1997	2.28517649915871
1998	2.20476589082167
1999	2.22798910213314
2000	2.05656395012606
2001	2.22089689541036
2002	2.13911220703231
2003	2.50405787226851
2004	2.56967381669513
2005	2.58011769104654
2006	3.1701031783507
2007	2.86090713973254
2008	2.89976900338358
2009	3.08100557109671
2010	3.08591409242716
2011	3.97296733908847
2012	4.3866613017175
2013	4.35041300833347
2014	4.07888825397736
2015	4.01614200972051