Year	2017 PPP (%)
1981	0.6
1989	0.8
1992	0.7
1995	0.6
1996	0.7
1997	0.6
1998	0.7
2000	0.6
2001	0.7
2002	0.9
2003	1.2
2004	1.5
2005	1.3
2006	0.9
2007	0.7
2008	0.5
2009	0.4
2010	0.3
2011	0.3
2012	0.3
2013	0.2
2014	0.2
2015	0.2
2016	0.1
2017	0.1
2018	0.1
2019	0.1
2020	0.2
2021	0.1
2022	0.2