Year	per 1,000 people
1960	25.569
1961	26.15
1962	25.346
1963	25.184
1964	24.513
1965	24.811
1966	24.454
1967	24.106
1968	23.878
1969	23.459
1970	22.791
1971	22.963
1972	22.979
1973	18.789
1974	18.343
1975	17.201
1976	19.278
1977	17.53
1978	17.727
1979	18.469
1980	20.013
1981	18.728
1982	21.373
1983	21.458
1984	21.345
1985	20.363
1986	20.306
1987	19.553
1988	20.073
1989	19.105
1990	19.265
1991	18.649
1992	19.579
1993	17.812
1994	16.981
1995	15.763
1996	15.049
1997	14.258
1998	13.531
1999	12.872
2000	12.655
2001	12.182
2002	11.786
2003	11.949
2004	12.111
2005	11.882
2006	12.243
2007	11.821
2008	12.167
2009	12.286
2010	12.045
2011	11.507
2012	11.762
2013	11.088
2014	11.163
2015	11.208
2016	11.419
2017	10.994
2018	10.843
2019	10.794
2020	10.583
2021	10.313
2022	10.023