Year	MJ/$2011 PPP GDP
1990	4.19974973223067
1991	4.48086028821604
1992	4.87920558254981
1993	5.06385836106696
1994	5.29304426322148
1995	5.31245881299528
1996	5.5005028532152
1997	5.11289658837324
1998	5.29856171607664
1999	5.43488775108164
2000	5.41905365605458
2001	5.53231476729537
2002	6.11942310405335
2003	5.75164845572464
2004	5.60250654732522
2005	5.34321706246216
2006	5.60805128237851
2007	5.46733383992985
2008	5.62522318887321
2009	5.88069919528412
2010	6.24822656517201
2011	5.45665361338695
2012	5.82395414672869
2013	5.44125312141681
2014	5.80979256863997
2015	5.7986521826045