Year	per 1,000 people
1960	23.053
1961	22.268
1962	22.157
1963	20.887
1964	20.209
1965	19.593
1966	18.938
1967	18.373
1968	18.141
1969	17.154
1970	16.478
1971	15.706
1972	15.147
1973	14.214
1974	13.594
1975	13.039
1976	12.537
1977	12.072
1978	12.398
1979	11.047
1980	10.95
1981	11.621
1982	10.995
1983	10.42
1984	9.219
1985	8.78
1986	8.373
1987	8.071
1988	7.668
1989	6.686
1990	7.176
1991	6.207
1992	6.015
1993	5.821
1994	5.661
1995	5.514
1996	5.415
1997	5.357
1998	5.311
1999	5.18
2000	5.15
2001	5.168
2002	5.1
2003	5.459
2004	5.007
2005	4.97
2006	4.911
2007	4.838
2008	5.041
2009	5.127
2010	5.108
2011	4.978
2012	4.892
2013	4.911
2014	4.905
2015	4.842
2016	4.726
2017	4.692
2018	4.715
2019	4.872
2020	5.567
2021	6.437
2022	6.152