Year	2017 PPP (% of population)
2003	0.9
2004	0.5
2005	0.5
2006	0.1
2007	0.3
2008	0.1
2009	0.2
2010	0.1
2011	0.5
2012	0.7
2013	0.9
2014	0.5
2015	0.5
2016	0.4
2017	0.4
2018	0.3
2019	0.1
2020	0.5
2021	0.2