Year	per 1,000 people
1960	28.511
1961	27.352
1962	25.442
1963	23.803
1964	21.867
1965	21.183
1966	20.483
1967	19.909
1968	19.49
1969	19.299
1970	19.463
1971	19.748
1972	20.113
1973	20.492
1974	20.786
1975	20.837
1976	20.744
1977	20.661
1978	20.576
1979	20.74
1980	20.857
1981	21.12
1982	21.572
1983	22.486
1984	22.932
1985	22.41
1986	22.556
1987	22.216
1988	20.517
1989	18.458
1990	17.496
1991	16.481
1992	15.986
1993	15.214
1994	14.459
1995	13.41
1996	12.743
1997	13.123
1998	12.46
1999	11.934
2000	11.654
2001	11.508
2002	11.422
2003	11.903
2004	12.558
2005	12.607
2006	12.838
2007	13.207
2008	13.778
2009	14.342
2010	14.265
2011	13.864
2012	13.746
2013	13.59
2014	14.802
2015	14.899
2016	14.761
2017	13.805
2018	13.443
2019	12.894
2020	12.481
2021	12.432
2022	12.148