Year	per 1,000 people
1960	16.655
1961	16.138
1962	15.624
1963	15.102
1964	14.636
1965	14.109
1966	13.614
1967	13.127
1968	12.637
1969	12.155
1970	11.626
1971	11.112
1972	10.652
1973	10.107
1974	9.65
1975	9.218
1976	8.82
1977	8.458
1978	8.1
1979	8.183
1980	9.198
1981	8.823
1982	8.471
1983	8.138
1984	7.827
1985	7.68
1986	7.315
1987	7.544
1988	6.893
1989	6.852
1990	6.635
1991	6.406
1992	6.314
1993	6.214
1994	6.095
1995	6.01
1996	5.725
1997	5.675
1998	5.635
1999	5.835
2000	5.512
2001	5.642
2002	5.645
2003	5.673
2004	5.718
2005	5.751
2006	5.793
2007	5.832
2008	5.876
2009	5.93
2010	6.056
2011	6.061
2012	6.072
2013	6.041
2014	6.048
2015	6.001
2016	5.921
2017	5.829
2018	5.739
2019	5.663
2020	5.487
2021	5.395
2022	5.312