Year	MJ/$2011 PPP GDP
1990	3.92799813934771
1991	3.88241989087089
1992	3.7808040622363
1993	3.86353646490831
1994	3.7793813823814
1995	3.65529819614478
1996	3.66900766814038
1997	3.44188081363317
1998	3.58402844627327
1999	3.34583408343324
2000	3.21956594579255
2001	3.15341955642345
2002	3.01614814785313
2003	2.96341388354343
2004	2.8423564763637
2005	2.82787824414797
2006	2.78562564925063
2007	2.58964603293414
2008	2.61837027771171
2009	2.67025673725094
2010	2.61002395074072
2011	2.45250997322417
2012	2.37931383344859
2013	2.42041947663699
2014	2.34195157699006
2015	2.2580137022641