Year	MJ/$2011 PPP GDP
1992	5.04594110410997
1993	4.66892028486856
1994	4.82843260880496
1995	4.76386725757776
1996	4.91959972063674
1997	5.37520636410725
1998	5.50424765022164
1999	5.16905454809309
2000	5.49660153698564
2001	7.23691074937463
2002	6.09503447693219
2003	5.99417404508931
2004	6.20280841484465
2005	5.02673665170692
2006	5.19849331784213
2007	5.9080466683793
2008	5.34851782470564
2009	7.14816255097736
2010	5.00968991104125
2011	5.298164981579
2012	5.77228371873591
2013	6.2416262551709
2014	6.84424620396698
2015	6.58744661345086