Year	per 1,000 people
1960	17.071
1961	16.722
1962	16.251
1963	15.78
1964	15.289
1965	14.801
1966	14.311
1967	13.857
1968	13.223
1969	12.685
1970	12.236
1971	11.897
1972	11.341
1973	10.821
1974	10.339
1975	10.909
1976	9.399
1977	9.182
1978	8.565
1979	8.257
1980	7.999
1981	7.78
1982	7.58
1983	7.432
1984	7.299
1985	7.151
1986	7.401
1987	6.887
1988	6.755
1989	6.647
1990	6.548
1991	6.461
1992	6.38
1993	6.308
1994	6.224
1995	6.161
1996	6.089
1997	6.041
1998	5.99
1999	5.957
2000	5.939
2001	5.92
2002	5.899
2003	5.884
2004	5.854
2005	5.829
2006	5.797
2007	5.863
2008	5.714
2009	5.713
2010	5.614
2011	5.544
2012	5.468
2013	5.421
2014	5.407
2015	5.26
2016	5.176
2017	5.11
2018	5.052
2019	4.989
2020	5.082
2021	5.028
2022	4.888