Year	2017 PPP (% of population)
2004	0.2
2005	0.2
2006	0.1
2007	0.1
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0.1
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0