Year	MJ/$2011 PPP GDP
1990	9.46807542581755
1991	9.41770127284983
1992	9.38627153174201
1993	9.29352357528322
1994	9.35296285055573
1995	9.27507713514088
1996	9.07183786008324
1997	8.86237338706333
1998	8.77198979191126
1999	8.6885357900352
2000	8.4135532427608
2001	8.28286800948997
2002	8.08007576061999
2003	7.88121392817868
2004	7.73021595299035
2005	7.47043739175979
2006	7.23419670110642
2007	6.95805418232836
2008	6.70932968357014
2009	6.5973650729912
2010	6.44175624522525
2011	6.42293520440128
2012	6.25746586026474
2013	6.14844708065107
2014	5.99168097526402
2015	5.99154256372092