Year	per 1,000 people
1960	17.3
1961	17.3
1962	17.1
1963	17.3
1964	17.7
1965	17.8
1966	17.9
1967	17.6
1968	17.6
1969	17.6
1970	16.7
1971	16.8
1972	16.3
1973	15.5
1974	15
1975	14.1
1976	13.3
1977	12.6
1978	12.8
1979	12.7
1980	12.5
1981	12.4
1982	12.5
1983	12.1
1984	12.1
1985	12.3
1986	12.6
1987	12.9
1988	13.7
1989	14
1990	14.4
1991	14.3
1992	14
1993	13.8
1994	13.9
1995	13.8
1996	13.9
1997	13.6
1998	13.2
1999	13.3
2000	13.2
2001	12.6
2002	12.2
2003	12.4
2004	12.4
2005	12.3
2006	12.6
2007	12.4
2008	12.7
2009	12.8
2010	12.6
2011	12.2
2012	12
2013	11.6
2014	11.5
2015	11.3
2016	11.3
2017	10.7
2018	10.4
2019	10.2
2020	9.8
2021	10.4
2022	9.4
