Year	per 1,000 people
1960	18.949
1961	18.396
1962	17.94
1963	17.579
1964	17.296
1965	17.13
1966	17.09
1967	16.872
1968	16.577
1969	16.339
1970	15.729
1971	15.067
1972	14.373
1973	13.604
1974	13.02
1975	12.602
1976	15.783
1977	12.018
1978	11.885
1979	11.731
1980	11.755
1981	11.691
1982	14.866
1983	10.481
1984	10.104
1985	9.751
1986	9.445
1987	9.136
1988	8.861
1989	8.681
1990	8.595
1991	8.435
1992	8.334
1993	8.143
1994	7.976
1995	7.679
1996	7.33
1997	7.006
1998	6.747
1999	6.419
2000	6.19
2001	6.013
2002	5.859
2003	5.727
2004	5.625
2005	5.666
2006	5.469
2007	5.419
2008	5.377
2009	5.329
2010	5.296
2011	5.233
2012	5.171
2013	5.112
2014	5.071
2015	5.071
2016	5.038
2017	5.015
2018	4.995
2019	4.892
2020	5.337
2021	6.504
2022	6.767