Year	MJ/$2011 PPP GDP
1990	7.4168653134115
1991	7.34142304219967
1992	7.44872603734749
1993	7.50296632351505
1994	7.20673577138333
1995	7.07634330757528
1996	7.25302834023005
1997	7.15554868158647
1998	7.02963807255926
1999	6.84048542040689
2000	6.70475375527491
2001	6.43431773695436
2002	6.41269882766437
2003	6.29790442843978
2004	6.14971870884186
2005	6.00113733695952
2006	6.06830979245856
2007	6.04909018664491
2008	6.04862865419976
2009	5.96041909961583
2010	5.86381345357689
2011	5.75966043446639
2012	5.48834789173743
2013	5.34612456482868
2014	5.15097928338264
2015	5.03115546358054