Year	MJ/$2011 PPP GDP
1990	4.64319212618662
1991	4.77466452343984
1992	5.22016717712303
1993	5.41651399419639
1994	5.50559754357446
1995	5.12008425640648
1996	5.33849744642519
1997	5.25065050337015
1998	4.99123684011014
1999	5.85622003928759
2000	5.77978223229832
2001	5.55183866528906
2002	6.03479962379237
2003	5.78367536972194
2004	8.05170138072963
2005	8.18734575022429
2006	7.93103667742772
2007	8.38827316631871
2008	8.22195233629473
2009	7.29734360202002
2010	7.75255219545979
2011	9.29580568041215
2012	9.10400457555492
2013	8.92753984172433
2014	8.44009401055017
2015	7.23590098153217