Year	MJ/$2017 PPP GDP
2000	6.57
2001	6.57
2002	6.79
2003	7.02
2004	6.82
2005	6.13
2006	6.41
2007	5.99
2008	5.71
2009	5.86
2010	6.22
2011	5.83
2012	5.71
2013	5.67
2014	5.81
2015	5.5
2016	5.54
2017	5.34
2018	5.37
2019	5.19
2020	5.07
2021	5.15
2022	4.82