Year	per 1,000 people
1960	41.129
1961	40.947
1962	40.708
1963	40.43
1964	39.515
1965	38.466
1966	37.501
1967	37.772
1968	37.705
1969	38.419
1970	36.677
1971	37.803
1972	37.631
1973	36.447
1974	36.686
1975	35.413
1976	35.508
1977	33.764
1978	32.263
1979	31.204
1980	33.82
1981	31.247
1982	33.241
1983	32.871
1984	32.649
1985	30.841
1986	30.03
1987	27.325
1988	29.114
1989	27.29
1990	27.647
1991	26.355
1992	22.173
1993	21.327
1994	20.639
1995	20.894
1996	21.125
1997	21.049
1998	21.392
1999	19.096
2000	17.329
2001	17.249
2002	16.858
2003	15.749
2004	17.781
2005	19.488
2006	18.679
2007	18.673
2008	19.859
2009	19.988
2010	19.855
2011	16.312
2012	16.399
2013	17.061
2014	14.95
2015	13.614
2016	12.848
2017	12.615
2018	12.094
2019	11.443
2020	11.181
2021	11.143
2022	11.068