Year	$ 2017 PPP (%)
1994	16.09
1996	11.83
1998	11.44
2000	13.66
2002	8.24
2004	6.52
2006	4.24
2007	2.55
2008	2.15
2009	1.95
2010	1.39
2011	1.05
2012	0.99
2013	0.77
2014	0.42
2015	0.28
2016	0.34
2017	0.19
2018	0.29
2019	0.2
2020	0.21
2021	0.17