Year	per 1,000 people
1960	16.77
1961	16.301
1962	15.839
1963	15.418
1964	15.031
1965	14.635
1966	14.343
1967	14.032
1968	13.715
1969	13.375
1970	13.033
1971	12.656
1972	12.209
1973	11.739
1974	11.291
1975	10.857
1976	10.431
1977	9.997
1978	9.6
1979	9.231
1980	8.881
1981	8.534
1982	8.208
1983	7.904
1984	7.65
1985	7.468
1986	7.366
1987	7.345
1988	7.6
1989	7.652
1990	7.986
1991	8.423
1992	8.933
1993	9.282
1994	10.025
1995	10.596
1996	10.988
1997	11.508
1998	12.081
1999	12.633
2000	13.128
2001	13.424
2002	13.533
2003	13.409
2004	13.073
2005	12.568
2006	11.883
2007	10.935
2008	10.253
2009	9.719
2010	8.93
2011	8.738
2012	8.671
2013	8.157
2014	7.927
2015	7.435
2016	6.783
2017	6.308
2018	6.922
2019	6.974
2020	6.95
2021	9.461
2022	6.897