Year	2017 PPP (%)
2003	1.3
2004	0.6
2005	0.3
2006	0.5
2007	0.3
2008	0.2
2009	0.3
2010	0.4
2011	0.6
2012	0.4
2013	0.6
2014	0.5
2015	0.4
2016	0.3
2017	0.2
2018	0.2
2019	0.3
2020	0.2
2021	0.2