Year	per 1,000 people
1960	8.6
1961	8.3
1962	8.7
1963	8.8
1964	8.4
1965	8.4
1966	8.4
1967	8.4
1968	8.4
1969	8.9
1970	8.3
1971	8.8
1972	8.1
1973	8.5
1974	8.3
1975	8.3
1976	8.3
1977	8.1
1978	8.1
1979	7.8
1980	7.7
1981	7.8
1982	7.5
1983	7.9
1984	7.8
1985	8.1
1986	8
1987	8
1988	8.2
1989	8.4
1990	8.6
1991	8.7
1992	8.5
1993	8.6
1994	8.6
1995	8.7
1996	8.8
1997	8.7
1998	9
1999	9.2
2000	8.9
2001	8.8
2002	8.8
2003	9.1
2004	8.6
2005	8.8
2006	8.3
2007	8.5
2008	8.4
2009	8.3
2010	8.2
2011	8.3
2012	8.6
2013	8.3
2014	8.5
2015	9.1
2016	8.8
2017	9.1
2018	9.1
2019	8.8
2020	10.4
2021	9.5
2022	9.7