Year	2017 PPP (%)
1963	1.2
1964	1.2
1965	1
1966	0.9
1967	0.8
1968	0.7
1969	0.6
1970	0.9
1971	0.7
1972	0.7
1973	0.7
1974	0.7
1975	0.6
1976	0.6
1977	0.5
1978	0.5
1979	0.6
1980	0.4
1981	0.5
1982	0.6
1983	0.6
1984	0.5
1985	0.5
1986	0.5
1987	0.5
1988	0.4
1989	0.4
1990	0.4
1991	0.4
1992	0.5
1993	0.5
1994	0.6
1995	0.5
1996	0.6
1997	0.6
1998	0.7
1999	0.6
2000	0.6
2001	0.8
2002	0.8
2003	0.9
2004	0.9
2005	0.9
2006	0.9
2007	0.9
2008	1
2009	0.8
2010	1
2011	0.9
2012	1
2013	0.9
2014	1.2
2015	1
2016	1
2017	1.1
2018	1
2019	0.9
2020	0.3
2021	0.3