Year	MJ/$2011 PPP GDP
1990	9.17220011564677
1991	9.08943277400936
1992	8.85931981303941
1993	8.66088082780247
1994	8.3582839059233
1995	8.29571653869077
1996	8.02965263658997
1997	7.7234244180537
1998	7.55799871172436
1999	7.42883772478451
2000	7.18748160206638
2001	7.09894310356379
2002	7.03357452443276
2003	7.08962700911451
2004	7.06011429227993
2005	6.9497088957268
2006	6.78923113034699
2007	6.54487139603513
2008	6.39842889487056
2009	6.39026265731822
2010	6.36901315429431
2011	6.27821809004564
2012	6.18240436155858
2013	6.01845470677565
2014	5.73338157618717
2015	5.52928911241395