Year	MJ/$2011 PPP GDP
1990	6.58325402223012
1991	6.47288960796865
1992	6.37930931269819
1993	6.20813287659029
1994	5.77142101849839
1995	5.03934990696002
1996	5.03593594634587
1997	4.62553493927137
1998	4.19438625813669
1999	4.03226207838349
2000	3.98123584422651
2001	4.10122076222101
2002	4.11076218610282
2003	4.2761091548094
2004	4.56121963906291
2005	4.50699406076819
2006	4.23745723835452
2007	3.79838194028221
2008	3.82791311407251
2009	3.80498503164684
2010	3.84112138310081
2011	3.70367004895373
2012	3.66737868128083
2013	3.40580099888044
2014	3.066832918725
2015	2.87275790450914