Year	2017 PPP (%)
2004	1.3
2005	1.2
2006	0.8
2007	0.4
2008	0.6
2009	1
2010	0.8
2011	0.5
2012	0.5
2013	0.6
2014	0.4
2015	0.4
2016	0.3
2017	0.3
2018	0.2
2019	0.2
2020	0.2
2021	0.2