Year	per 1,000 people
1960	21.524
1961	21.139
1962	20.73
1963	20.356
1964	19.973
1965	19.651
1966	19.368
1967	19.019
1968	18.649
1969	18.289
1970	17.965
1971	17.733
1972	17.419
1973	17.045
1974	16.741
1975	16.499
1976	16.403
1977	16.332
1978	16.276
1979	16.216
1980	16.176
1981	16.161
1982	16.159
1983	16.136
1984	16.086
1985	15.969
1986	15.791
1987	15.494
1988	15.213
1989	14.853
1990	14.463
1991	14.036
1992	13.597
1993	13.077
1994	12.738
1995	12.395
1996	12.02
1997	11.569
1998	11.108
1999	10.769
2000	10.385
2001	9.986
2002	9.748
2003	9.407
2004	9.062
2005	8.831
2006	8.476
2007	8.257
2008	8.066
2009	7.801
2010	7.713
2011	7.427
2012	7.38
2013	7.201
2014	7.076
2015	7.049
2016	6.81
2017	6.79
2018	6.736
2019	6.518
2020	6.801
2021	7.104
2022	6.799