Year	MJ/$2017 PPP GDP
2000	7.23
2001	6.99
2002	6.82
2003	6.74
2004	6.59
2005	6.37
2006	6.15
2007	6.05
2008	6
2009	6.01
2010	6.14
2011	6.17
2012	6.09
2013	5.91
2014	5.83
2015	5.76
2016	5.79
2017	5.61
2018	5.45
2019	5.29
2020	5.25
2021	5.32
2022	5.11