Year	$ 2017 PPP (%)
2007	1.89
2008	1.68
2009	2.14
2010	1.31
2011	0.69
2012	0.58
2013	0.63
2014	1.18
2015	1.36
2016	1.09
2017	1.09
2018	1.48
2019	2.22
2020	1.98
2021	1.58