Year	per 1,000 people
1960	28.389
1961	28.144
1962	27.936
1963	27.638
1964	27.409
1965	27.104
1966	26.82
1967	26.504
1968	26.063
1969	25.885
1970	25.616
1971	25.348
1972	25.032
1973	24.852
1974	24.641
1975	24.258
1976	23.898
1977	23.599
1978	23.233
1979	22.899
1980	22.545
1981	22.216
1982	21.786
1983	21.463
1984	21.062
1985	20.659
1986	20.378
1987	20.031
1988	19.891
1989	19.669
1990	19.494
1991	19.077
1992	18.476
1993	17.994
1994	17.707
1995	17.107
1996	16.551
1997	15.935
1998	15.388
1999	15.028
2000	14.804
2001	14.543
2002	14.094
2003	13.733
2004	13.39
2005	13.037
2006	12.717
2007	12.427
2008	12.12
2009	11.918
2010	11.669
2011	11.451
2012	11.193
2013	10.947
2014	10.856
2015	10.702
2016	10.352
2017	10.121
2018	9.94
2019	9.712
2020	9.847
2021	9.99
2022	9.87