Year	MJ/$2011 PPP GDP
1990	2.18898250183023
1991	2.05771675123878
1992	2.10509417843074
1993	2.42141986416481
1994	2.87091600269184
1995	2.84767149008315
1996	2.86932960708229
1997	2.77787439409798
1998	3.21977837294718
1999	3.14026954717639
2000	2.78473341828095
2001	3.22324245141315
2002	3.26436646827906
2003	3.18960576107132
2004	3.36090437230666
2005	3.29293114586624
2006	3.05443293105328
2007	3.16394658447996
2008	2.95893024658164
2009	4.11207795375726
2010	3.09937166907111
2011	2.8294220051959
2012	3.45770880065196
2013	2.82185674449938
2014	2.83289912483102
2015	2.92798380933524