Year	MJ/$2011 PPP GDP
1990	6.24092251922607
1991	6.55096936254438
1992	6.83405772532913
1993	7.67989416097405
1994	7.78572273171671
1995	7.60767199897755
1996	7.43060127884895
1997	7.2565397474657
1998	7.11731246520024
1999	6.89252364048889
2000	6.89961322561551
2001	6.67953257820162
2002	6.57419431006074
2003	6.57627771853081
2004	6.53908542655535
2005	6.43027532897705
2006	5.93669996624535
2007	5.42170525937823
2008	5.31584028986837
2009	5.6381764343169
2010	5.50139722986101
2011	5.09118343187508
2012	5.0200407863383
2013	4.99740806308893
2014	4.86007743828645
2015	4.77752966152165
