Year	per 1,000 people
1960	11.909
1961	11.649
1962	11.475
1963	11.357
1964	11.096
1965	10.765
1966	10.433
1967	10.144
1968	9.703
1969	9.27
1970	8.915
1971	8.561
1972	8.265
1973	7.855
1974	7.513
1975	7.247
1976	6.957
1977	6.756
1978	6.583
1979	6.451
1980	6.32
1981	6.194
1982	6.065
1983	5.945
1984	5.833
1985	5.736
1986	5.649
1987	5.62
1988	5.57
1989	5.559
1990	5.578
1991	5.62
1992	5.554
1993	5.263
1994	5.89
1995	9.856
1996	9.988
1997	10.129
1998	10.328
1999	10.567
2000	10.763
2001	10.97
2002	11.138
2003	7.899
2004	8.189
2005	8.501
2006	8.843
2007	9.148
2008	9.338
2009	8.95
2010	8.71
2011	8.609
2012	8.468
2013	8.305
2014	8.183
2015	8.088
2016	8.327
2017	8.502
2018	8.721
2019	8.878
2020	9.078
2021	9.313
2022	9.353