Year	MJ/$2011 PPP GDP
1990	3.45098642185193
1991	3.35022771209358
1992	3.33547574947777
1993	3.22238036016915
1994	3.12508287529947
1995	3.32482316230601
1996	3.68321293196036
1997	3.43254007992174
1998	3.16472019693522
1999	3.26063044272049
2000	3.33970941917419
2001	3.36169401996715
2002	3.55171198456953
2003	3.61894889279204
2004	4.03040620316708
2005	4.23556491248494
2006	3.29652076926173
2007	5.29991302491612
2008	3.18172789283678
2009	4.30503270921334
2010	3.87943353118142
2011	2.73397209360819
2012	3.69146977741597
2013	3.64416172130201
2014	3.69778902414485
2015	3.91099778396974