Year	per 1,000 people
1960	16.121
1961	15.623
1962	15.089
1963	14.635
1964	14.291
1965	14.013
1966	13.801
1967	13.645
1968	12.995
1969	12.042
1970	11.141
1971	10.599
1972	10.533
1973	10.516
1974	10.566
1975	10.301
1976	10.037
1977	9.797
1978	9.57
1979	9.334
1980	9.085
1981	8.864
1982	8.637
1983	8.389
1984	8.151
1985	7.947
1986	7.789
1987	7.659
1988	7.502
1989	7.351
1990	7.248
1991	7.111
1992	6.99
1993	6.89
1994	6.806
1995	6.678
1996	6.544
1997	6.44
1998	6.356
1999	6.276
2000	6.388
2001	6.28
2002	6.3
2003	6.348
2004	6.433
2005	6.544
2006	6.643
2007	6.744
2008	6.831
2009	6.86
2010	6.876
2011	6.848
2012	6.859
2013	6.906
2014	6.94
2015	6.975
2016	7.021
2017	7.097
2018	7.187
2019	7.29
2020	7.425
2021	7.556
2022	7.919