Year	MJ/$2011 PPP GDP
1990	3.48210881062635
1991	3.39739577055521
1992	3.35093556935451
1993	3.33019322443507
1994	3.14164771113461
1995	3.22045052814233
1996	3.10449782825408
1997	3.0182294899546
1998	3.02839448779608
1999	3.08840398596247
2000	3.14051207193753
2001	3.21485520538591
2002	3.12174756523953
2003	3.15809364220049
2004	3.04077181864174
2005	3.10648375729565
2006	3.19543617822969
2007	3.0346898179938
2008	2.94275110507067
2009	2.78609589183381
2010	2.82758355773431
2011	2.72622271371728
2012	2.68433642482093
2013	2.67290464897902
2014	2.54893489246388
2015	2.55086341534477