Year	per 1,000 people
1960	35.275
1961	34.825
1962	34.277
1963	33.717
1964	33.063
1965	32.357
1966	31.644
1967	30.916
1968	30.257
1969	29.526
1970	28.76
1971	28.031
1972	27.435
1973	26.797
1974	26.103
1975	25.477
1976	24.931
1977	24.462
1978	24.052
1979	23.645
1980	23.294
1981	23.009
1982	22.755
1983	22.615
1984	22.573
1985	22.521
1986	22.53
1987	22.527
1988	22.473
1989	22.39
1990	22.19
1991	21.866
1992	21.048
1993	20.503
1994	19.918
1995	19.155
1996	18.542
1997	17.847
1998	17.195
1999	16.526
2000	15.963
2001	15.658
2002	15.367
2003	14.802
2004	14.379
2005	14.169
2006	14.139
2007	14.301
2008	14.459
2009	14.464
2010	14.327
2011	14.109
2012	13.857
2013	13.697
2014	13.545
2015	13.211
2016	12.7
2017	12.13
2018	11.94
2019	11.855
2020	11.834
2021	11.788
2022	11.755