Year	MJ/$2011 PPP GDP
1990	2.34471372087993
1991	2.30109371094097
1992	2.57353047299885
1993	2.40242465814841
1994	2.28751300968785
1995	2.22535666008823
1996	2.10366113775
1997	1.9252071923394
1998	2.67060738078577
1999	3.19426453107027
2000	2.5096740713233
2001	2.60121999072124
2002	2.37464227526725
2003	2.37051671311613
2004	2.0482738888132
2005	1.88708070996265
2006	1.85951195805638
2007	1.87623124643548
2008	1.80120998635755
2009	1.9438260472687
2010	1.6941603541589
2011	1.74474801123384
2012	1.65775133396636
2013	1.57363672692131
2014	1.55368581442317
2015	1.48808579269761