Year	MJ/$2011 PPP GDP
1990	5.20391196226479
1991	4.84805904603968
1992	5.27524388843835
1993	5.23894714268273
1994	5.22579068809726
1995	5.14117553243246
1996	4.98017127176662
1997	5.04586412850192
1998	4.95993864486528
1999	4.65305060854921
2000	4.64449279116682
2001	4.86425403825633
2002	4.78243439869545
2003	4.95834304218279
2004	4.59398960178657
2005	4.2242467269109
2006	4.40118467788162
2007	4.24415674720876
2008	4.52607026983761
2009	4.2040851667168
2010	4.29571625886144
2011	4.08101607460885
2012	4.16031299523193
2013	3.83693258945275
2014	3.43775167141894
2015	3.59058439689