Year	MJ/$2017 PPP GDP
2000	4.39
2001	4.46
2002	4.35
2003	4.35
2004	4.39
2005	4.36
2006	4.27
2007	4.19
2008	4.92
2009	5.18
2010	4.92
2011	5.01
2012	4.86
2013	4.88
2014	4.31
2015	4.07
2016	4.13
2017	4.02
2018	4.37
2019	4.22
2020	4.31
2021	4.01
2022	3.76