Year	MJ/$2011 PPP GDP
1990	3.83101365783834
1991	3.7500910661883
1992	3.68372670642542
1993	3.63002163434515
1994	3.76243442505561
1995	3.82010177830067
1996	3.86685892581669
1997	3.78176426652749
1998	3.76680499509007
1999	3.82759412599618
2000	3.86480893289491
2001	3.78975032184419
2002	3.7722657769215
2003	3.76004300227469
2004	3.56384350610251
2005	3.42958722721712
2006	3.549050880167
2007	3.6400291314674
2008	3.56957673171951
2009	3.71561349691116
2010	3.7125748416414
2011	3.63227762008128
2012	3.70441972399921
2013	3.51669751121147
2014	2.94792762845294
2015	2.94674667903349