Year	MJ/$2011 PPP GDP
1992	5.151315699688
1993	5.23323852157364
1994	5.23691073670268
1995	5.09120394698315
1996	5.7602333011379
1997	6.10983586921471
1998	6.48275347570082
1999	6.52446457800321
2000	6.79454882262714
2001	6.69061754718892
2002	7.12289991490896
2003	6.89092573441111
2004	7.24949686069424
2005	6.99392739338368
2006	7.257500844675
2007	7.46249355503851
2008	7.62286737192068
2009	8.02394262373685
2010	7.91301281393932
2011	7.90094498027176
2012	7.55222945301842
2013	7.51253660879364
2014	7.45178088175868
2015	11.3468624199786