Year	per 1,000 people
1960	15.371
1961	14.977
1962	14.596
1963	14.217
1964	13.869
1965	13.553
1966	13.267
1967	12.994
1968	12.726
1969	12.522
1970	12.138
1971	11.765
1972	11.358
1973	10.927
1974	10.475
1975	10.029
1976	9.621
1977	9.23
1978	8.892
1979	8.595
1980	8.328
1981	8.078
1982	7.839
1983	7.614
1984	7.291
1985	6.979
1986	6.655
1987	6.345
1988	6.073
1989	5.851
1990	5.678
1991	5.627
1992	5.498
1993	5.468
1994	5.375
1995	5.33
1996	5.275
1997	5.222
1998	5.157
1999	5.074
2000	5.007
2001	4.935
2002	4.875
2003	4.821
2004	4.788
2005	4.78
2006	4.794
2007	4.817
2008	4.847
2009	4.856
2010	4.852
2011	4.826
2012	4.793
2013	4.762
2014	4.752
2015	4.773
2016	4.86
2017	4.872
2018	4.911
2019	4.913
2020	7.534
2021	6.719
2022	4.85
