Year	MJ/$2011 PPP GDP
1990	4.60529971830761
1991	4.77285795797546
1992	5.1551804048927
1993	7.0903466049636
1994	6.94423140874873
1995	6.28504108457549
1996	5.81600177057866
1997	5.50756315209878
1998	5.14365372753651
1999	5.23314828658247
2000	5.21828089060902
2001	5.22724830275015
2002	5.87651279748667
2003	6.02511969108891
2004	5.59072840597349
2005	4.56853458941781
2006	4.15163362371784
2007	3.61227313482103
2008	3.43536775588835
2009	3.64542773993288
2010	3.69791414414492
2011	3.69596755483713
2012	3.85707799126981
2013	3.615593682837
2014	3.64620058216181
2015	3.60595906776897