Year	per 1,000 people
1960	11.005
1961	10.844
1962	9.727
1963	8.432
1964	7.98
1965	8.514
1966	7.337
1967	6.71
1968	6.57
1969	5.809
1970	5.022
1971	5.157
1972	5.064
1973	4.791
1974	4.575
1975	4.37
1976	4.237
1977	4.318
1978	4.375
1979	4.498
1980	4.722
1981	4.628
1982	4.108
1983	3.918
1984	3.872
1985	3.844
1986	3.827
1987	3.801
1988	3.57
1989	3.685
1990	3.744
1991	3.894
1992	3.756
1993	3.863
1994	3.916
1995	3.975
1996	3.911
1997	3.709
1998	3.889
1999	3.484
2000	3.745
2001	3.829
2002	3.791
2003	4.106
2004	4.171
2005	3.4
2006	3.6
2007	3.2
2008	3.8
2009	3.1
2010	4.1
2011	5.1
2012	5.4
2013	4.7
2014	4.7
2015	5.4
2016	4.1
2017	4.2
2018	4
2019	4.7
2020	5.5
2021	5.6
2022	6