Year	per 1,000 people
1960	34.973
1961	34.912
1962	34.804
1963	34.566
1964	34.277
1965	34.091
1966	33.869
1967	33.551
1968	33.142
1969	32.713
1970	32.203
1971	31.793
1972	30.844
1973	30.156
1974	29.331
1975	28.595
1976	27.708
1977	26.907
1978	26.076
1979	25.338
1980	24.673
1981	24.258
1982	23.684
1983	23.317
1984	22.761
1985	22.264
1986	21.589
1987	20.96
1988	20.368
1989	19.917
1990	19.272
1991	18.794
1992	18.533
1993	18.282
1994	18.189
1995	18.015
1996	17.913
1997	17.36
1998	16.907
1999	16.482
2000	15.984
2001	15.487
2002	14.888
2003	14.435
2004	14.006
2005	13.669
2006	13.233
2007	12.929
2008	12.609
2009	12.189
2010	11.812
2011	11.498
2012	11.21
2013	10.936
2014	10.548
2015	10.211
2016	9.927
2017	9.637
2018	9.419
2019	9.205
2020	9.529
2021	9.274
2022	8.951