Year	2017 PPP (% of population)
2006	0.6
2007	0.7
2008	0.2
2009	0.5
2010	0.3
2011	0.4
2012	0.3
2013	0
2014	0
2015	0.1
2016	0.2
2017	0.2
2018	0.2
2019	0.4
2020	0.7