Year	2017 PPP (% of population)
2006	5.8
2007	1.8
2008	1.3
2009	1.3
2010	2
2011	2.5
2012	2.3
2013	1.8
2014	1.7
2015	3.4
2016	2
2017	1.4
2018	0.9
2019	0.9
2020	0.2
2021	0.7