Year	per 1,000 people
1960	12.386
1961	11.938
1962	11.505
1963	11.235
1964	10.961
1965	10.583
1966	10.376
1967	10.044
1968	9.82
1969	9.536
1970	9.304
1971	9.025
1972	8.833
1973	8.598
1974	8.368
1975	8.168
1976	7.962
1977	7.775
1978	7.567
1979	7.501
1980	7.294
1981	7.159
1982	6.998
1983	6.798
1984	6.594
1985	6.473
1986	6.354
1987	6.281
1988	6.035
1989	5.925
1990	5.794
1991	5.715
1992	5.638
1993	5.686
1994	5.812
1995	5.75
1996	5.626
1997	5.41
1998	5.252
1999	5.073
2000	4.953
2001	4.707
2002	5.128
2003	4.667
2004	4.678
2005	4.694
2006	4.648
2007	4.676
2008	4.657
2009	4.66
2010	4.587
2011	4.612
2012	4.676
2013	4.743
2014	4.844
2015	5.008
2016	5.073
2017	5.265
2018	5.472
2019	5.728
2020	6.065
2021	6.211
2022	6.275