Year	MJ/$2011 PPP GDP
1990	3.11871238788459
1991	3.26217882242542
1992	3.16360667384256
1993	3.06065588698375
1994	2.92223109595288
1995	2.95323507933784
1996	4.66636963006769
1997	3.3592888679183
1998	3.6710474586692
1999	3.36991916955069
2000	3.3634138140699
2001	2.48425382128299
2002	3.70574066306679
2003	3.71954762617692
2004	3.88733124933229
2005	5.45164300179103
2006	6.53838734629318
2007	4.70503168713788
2008	4.69796726208686
2009	3.35865559721827
2010	5.38112290521783
2011	5.10949171754799
2012	5.01402911200279
2013	4.92850777631089
2014	4.82818833246439
2015	4.13745997897163