Year	$ 2017 PPP (%)
2002	22.81
2003	19.94
2004	10.78
2005	6.52
2006	3.75
2007	1.98
2008	1.25
2009	1.8
2010	0.35
2011	0.33
2012	0.1
2013	0.07
2014	0
2015	0.19
2016	0.17
2020	0.07