Year	per 1,000 people
1960	14.929
1961	14.498
1962	14.026
1963	13.497
1964	12.983
1965	12.376
1966	12.02
1967	11.499
1968	10.988
1969	10.648
1970	10.247
1971	9.939
1972	9.604
1973	9.413
1974	9.291
1975	9.238
1976	9.139
1977	9.335
1978	9.558
1979	9.789
1980	9.77
1981	6.9
1982	6.7
1983	6.6
1984	6.8
1985	6.8
1986	6.7
1987	6.7
1988	6.8
1989	6.4
1990	6.1
1991	6.3
1992	7.1
1993	7.2
1994	7.3
1995	6.7
1996	6.2
1997	6
1998	5.9
1999	5.8
2000	5.8
2001	5.6
2002	5.7
2003	6
2004	6
2005	6.2
2006	6.2
2007	6.3
2008	6
2009	5.9
2010	5.9
2011	5.9
2012	5.9
2013	5.8
2014	5.8
2015	5.7
2016	5.8
2017	5.8
2018	5.8
2019	5.6
2020	7.5
2021	7.6
2022	6