Year	MJ/$2011 PPP GDP
1991	3.32289693649592
1992	3.2992633607549
1993	3.60873870141445
1994	3.82281486270185
1995	4.02924708533796
1996	4.19467196906142
1997	4.11431672562507
1998	4.15616243723687
1999	4.00693326676496
2000	3.68139096947598
2001	4.31401807235088
2002	3.81121669952183
2003	3.81043533846877
2004	3.55859246094514
2005	3.76193101918585
2006	3.51965433500366
2007	3.3972850479652
2008	3.524764722174
2009	3.57771210228445
2010	3.50320588586591
2011	3.44158568942377
2012	3.39455996289919
2013	3.39019762563241
2014	3.31100555699167
2015	3.26071850470963