Year	MJ/$2011 PPP GDP
1990	5.10624170926834
1991	5.59899983452175
1992	5.66163891170043
1993	6.05268132253009
1994	5.88362135619454
1995	5.8951011362716
1996	5.87893144253231
1997	5.63844804475453
1998	5.54659820235206
1999	5.65113684507107
2000	5.71200994052488
2001	5.85014652620063
2002	3.91959078819962
2003	3.9444959489919
2004	3.95573841856088
2005	4.33426746702244
2006	3.96709540277715
2007	3.57088407105256
2008	3.62166811889312
2009	3.5304722849372
2010	3.99456309655931
2011	3.69627010079141
2012	4.00141097402863
2013	3.45328938897844
2014	3.44134072016767
2015	3.39416770230394