Year	per 1,000 people
1960	30.639
1961	30.182
1962	29.082
1963	27.906
1964	26.655
1965	25.397
1966	24.256
1967	23.058
1968	22.011
1969	21.122
1970	20.398
1971	19.789
1972	19.436
1973	19.183
1974	18.923
1975	18.682
1976	18.396
1977	18.263
1978	18.467
1979	18.446
1980	18.41
1981	18.313
1982	18.136
1983	17.825
1984	17.491
1985	17.12
1986	16.732
1987	16.402
1988	16.114
1989	15.847
1990	15.622
1991	15.429
1992	15.261
1993	15.087
1994	14.903
1995	14.714
1996	14.528
1997	14.36
1998	14.203
1999	14.077
2000	13.955
2001	13.823
2002	13.77
2003	13.68
2004	13.547
2005	13.371
2006	13.177
2007	12.943
2008	12.681
2009	12.396
2010	12.115
2011	11.846
2012	11.603
2013	11.392
2014	11.221
2015	11.095
2016	11.009
2017	10.952
2018	10.913
2019	10.885
2020	10.859
2021	10.832
2022	10.783