Year	per 1,000 people
1960	25.08
1961	24.68
1962	24.278
1963	23.942
1964	23.607
1965	23.169
1966	22.743
1967	22.208
1968	21.581
1969	21.003
1970	20.45
1971	19.922
1972	19.419
1973	19.036
1974	18.655
1975	19.267
1976	18.013
1977	17.699
1978	17.325
1979	16.988
1980	16.642
1981	16.28
1982	15.865
1983	15.607
1984	15.137
1985	14.736
1986	14.32
1987	14.016
1988	13.562
1989	13.265
1990	12.806
1991	12.498
1992	12.134
1993	11.734
1994	11.41
1995	11.159
1996	10.927
1997	10.819
1998	10.767
1999	10.513
2000	10.51
2001	10.292
2002	10.317
2003	10.174
2004	10.009
2005	9.997
2006	9.899
2007	9.819
2008	9.677
2009	9.553
2010	9.457
2011	9.313
2012	9.175
2013	8.999
2014	8.865
2015	8.685
2016	8.516
2017	8.326
2018	8.235
2019	8.203
2020	8.274
2021	8.718
2022	8.528