Year	per 1,000 people
1960	10.631
1961	10.362
1962	10.134
1963	9.903
1964	9.652
1965	9.379
1966	9.131
1967	8.933
1968	8.776
1969	8.628
1970	8.393
1971	8.258
1972	8.097
1973	7.871
1974	7.705
1975	7.506
1976	7.343
1977	7.135
1978	6.915
1979	6.712
1980	6.676
1981	6.494
1982	6.422
1983	6.301
1984	6.157
1985	6.002
1986	5.856
1987	5.658
1988	5.58
1989	5.475
1990	5.421
1991	5.327
1992	5.157
1993	5.042
1994	4.968
1995	4.919
1996	4.878
1997	4.838
1998	5.569
1999	6.437
2000	4.986
2001	4.992
2002	5.014
2003	5.021
2004	5.032
2005	5.037
2006	5.172
2007	4.864
2008	4.596
2009	4.568
2010	4.659
2011	4.661
2012	4.56
2013	4.593
2014	4.645
2015	4.841
2016	4.973
2017	5.262
2018	5.505
2019	5.56
2020	7.505
2021	7.22
2022	5.709