Year	per 1,000 people
1960	37.307
1961	36.987
1962	36.315
1963	35.139
1964	33.732
1965	32.066
1966	30.291
1967	28.887
1968	28.186
1969	26.643
1970	26.675
1971	27.38
1972	28.211
1973	28.028
1974	27.477
1975	27.172
1976	27.396
1977	27.758
1978	28.497
1979	29.196
1980	29.626
1981	30.118
1982	29.97
1983	29.327
1984	28.282
1985	27.904
1986	26.879
1987	25.338
1988	23.674
1989	22.016
1990	20.582
1991	19.577
1992	18.793
1993	17.808
1994	17.058
1995	16.251
1996	15.769
1997	15.367
1998	15.211
1999	15.248
2000	15.211
2001	15.147
2002	15.022
2003	14.996
2004	14.892
2005	14.903
2006	15.087
2007	15.224
2008	15.191
2009	14.879
2010	14.842
2011	14.781
2012	14.572
2013	14.282
2014	13.958
2015	13.604
2016	13.292
2017	12.909
2018	12.557
2019	12.359
2020	11.946
2021	11.687
2022	11.382