Year	MJ/$2011 PPP GDP
1990	13.0544570956682
1991	12.0055034833947
1992	11.2829250825123
1993	10.8316026862453
1994	10.2298404951479
1995	10.0390328090992
1996	9.55187234156849
1997	9.04666601253909
1998	8.97663525454658
1999	8.68881314202663
2000	8.42027097743968
2001	8.19461880409246
2002	8.09871853689891
2003	8.33830732774737
2004	8.6190763274323
2005	8.5869100132324
2006	8.38628914633255
2007	8.04746197202175
2008	7.66591668172044
2009	7.5848709862324
2010	7.58958428655466
2011	7.42932151328393
2012	7.1886250675512
2013	6.95824384152982
2014	6.3988340325296
2015	6.07281937478056