Year	MJ/$2011 PPP GDP
1990	11.14499
1991	12.18454
1992	13.86295
1993	16.34144
1994	17.06602
1995	17.66595
1996	18.45516
1997	19.89719
1998	20.72088
1999	21.70473
2000	23.37119
2001	24.67414
2002	24.80039
2003	24.36618
2004	23.73801
2005	23.23101
2006	22.89278
2007	22.32833
2008	21.79572
2009	21.82662
2010	21.134
2011	21.0028
2012	24.3179
2013	23.55276
2014	22.58516
2015	20.937