Year	per 1,000 people
1960	16.314
1961	15.485
1962	14.843
1963	14.211
1964	13.602
1965	13.081
1966	12.628
1967	12.172
1968	11.547
1969	11.006
1970	10.54
1971	9.984
1972	9.574
1973	9.796
1974	8.733
1975	8.418
1976	8.131
1977	8.054
1978	7.177
1979	6.932
1980	6.732
1981	7.425
1982	8.709
1983	5.877
1984	5.44
1985	5.424
1986	5.215
1987	5.124
1988	4.94
1989	4.851
1990	4.784
1991	4.67
1992	4.574
1993	4.588
1994	4.599
1995	4.503
1996	4.521
1997	4.54
1998	4.575
1999	4.509
2000	4.413
2001	4.157
2002	4.091
2003	3.971
2004	3.986
2005	3.924
2006	3.775
2007	3.67
2008	3.721
2009	3.678
2010	3.701
2011	3.934
2012	6.417
2013	7.696
2014	8.072
2015	7.297
2016	6.999
2017	6.033
2018	5.554
2019	5.033
2020	4.99
2021	5.117
2022	5.047