Year	per 1,000 people
1960	12.966
1961	11.946
1962	11.985
1963	12.262
1964	10.974
1965	10.4
1966	9.406
1967	9.318
1968	8.971
1969	8.914
1970	8.599
1971	8.23
1972	7.871
1973	7.787
1974	7.587
1975	7.528
1976	7.295
1977	7.055
1978	6.781
1979	6.795
1980	7.101
1981	6.978
1982	7.057
1983	7.457
1984	7.324
1985	7.435
1986	7.376
1987	7.505
1988	7.417
1989	7.436
1990	7.606
1991	7.497
1992	8.12
1993	7.972
1994	8.446
1995	8.573
1996	8.478
1997	8.3
1998	8.4
1999	8.3
2000	8.5
2001	8.3
2002	8.9
2003	8.9
2004	8.8
2005	9
2006	9.1
2007	9.6
2008	9.3
2009	9.3
2010	9.3
2011	9.5
2012	9.8
2013	9.3
2014	9.5
2015	9.9
2016	9.853364793075
2017	9.8
2018	9.5
2019	9.8
2020	12.4
2021	15.5
2022	12.3