Year	per 1,000 people
1960	28.64
1961	28.151
1962	22.284
1963	22.049
1964	21.794
1965	21.384
1966	20.973
1967	20.413
1968	19.802
1969	19.165
1970	18.599
1971	18.112
1972	17.642
1973	17.331
1974	17.144
1975	17.03
1976	16.926
1977	16.859
1978	16.677
1979	16.472
1980	16.157
1981	15.807
1982	15.412
1983	14.935
1984	14.528
1985	14.038
1986	13.867
1987	13.408
1988	13.204
1989	13.11
1990	13.09
1991	13.153
1992	13.199
1993	13.356
1994	13.561
1995	13.64
1996	13.756
1997	13.713
1998	13.723
1999	13.614
2000	13.426
2001	13.237
2002	13.036
2003	12.758
2004	12.565
2005	12.408
2006	12.104
2007	11.886
2008	11.583
2009	11.3
2010	10.992
2011	10.641
2012	10.235
2013	9.833
2014	9.548
2015	9.179
2016	8.886
2017	8.594
2018	8.379
2019	8.16
2020	8.419
2021	8.582
2022	8.225