Year	2017 PPP (%)
1977	1.1
1978	1.4
1979	1.1
1980	0.7
1981	0.6
1982	0.3
1983	0.6
1984	0.6
1986	0.7
1987	1.4
1989	0.2
1991	0.6
1993	2
1995	1.3
1998	2.3
2000	1.8
2002	1.8
2003	1.1
2004	0.9
2005	1
2006	0.9
2007	1
2008	1
2009	1.2
2010	1.6
2011	1.5
2012	1.7
2013	1.9
2014	1.7
2015	2.4
2016	2.1
2017	1.9
2018	2
2019	1.4
2020	1.2
2021	1