Year	%
1980	0.9
1988	1.2
1989	1.3
1991	1.3
1992	1.1
1996	0.5
1999	0.3
2000	0.1
2001	0.5
2002	1.1
2003	1.1
2004	1.2
2005	1.2
2008	1
2009	1.1
2010	1.1
2011	1.2
2012	1.2
2013	1.2
2014	1.2
2015	1.3
2016	1.3
2017	1.4
2018	1.4
2019	1.2
2020	0.9
2021	1
2022	1