Year	MJ/$2011 PPP GDP
1990	3.26285053448799
1991	3.79919220680803
1992	2.98374949725541
1993	3.21717312925982
1994	3.26663787120407
1995	3.38257842618699
1996	2.7892292693755
1997	3.41336492251573
1998	3.15465602039548
1999	3.62546238124126
2000	3.24552421193047
2001	2.88922153431824
2002	2.95509991433795
2003	3.5633100831884
2004	3.3512120469359
2005	3.29242976598635
2006	3.81164002813699
2007	3.56503225487706
2008	3.695193257621
2009	3.95311375073523
2010	3.24005422380327
2011	2.92398592992389
2012	2.93603281393576
2013	3.14289898671296
2014	3.07182544080487
2015	3.02857412826612