Year	per 1,000 people
1960	11.431
1961	10.738
1962	10.006
1963	9.268
1964	8.788
1965	8.772
1966	8.78
1967	8.757
1968	8.315
1969	8.145
1970	7.997
1971	7.982
1972	7.941
1973	7.879
1974	7.827
1975	7.756
1976	7.782
1977	8.28
1978	8.285
1979	8.268
1980	8.226
1981	8.108
1982	8.003
1983	9.757
1984	7.676
1985	7.576
1986	7.535
1987	7.532
1988	7.465
1989	7.425
1990	7.348
1991	7.233
1992	7.098
1993	6.99
1994	6.943
1995	6.85
1996	6.836
1997	6.827
1998	6.815
1999	6.904
2000	7.131
2001	7.084
2002	7.14
2003	7.272
2004	7.946
2005	7.233
2006	7.242
2007	7.005
2008	6.963
2009	6.883
2010	7.058
2011	7.021
2012	7.281
2013	7.335
2014	7.502
2015	7.572
2016	7.82
2017	7.9
2018	7.956
2019	8.008
2020	8.061
2021	8.151
2022	7.942