Year	2017 PPP (% of population)
1995	4.7
2000	2.7
2003	1.9
2004	1.9
2005	1.7
2006	2.2
2007	1.7
2008	1.6
2009	1.8
2010	2.6
2011	5.2
2012	7.2
2013	8.3
2014	7.7
2015	7.8
2016	6.4
2017	5.3
2018	3.7
2019	3.9
2020	3.9
2021	2.9