Year	per 1,000 people
1960	50.463
1961	50.733
1962	51.125
1963	51.691
1964	51.962
1965	51.922
1966	51.194
1967	49.918
1968	48.643
1969	47.503
1970	46.404
1971	45.479
1972	44.263
1973	43.392
1974	43.349
1975	42.581
1976	41.89
1977	41.254
1978	40.698
1979	40.142
1980	38.545
1981	37.128
1982	36.338
1983	35.551
1984	34.792
1985	34.357
1986	33.681
1987	32.852
1988	31.851
1989	30.695
1990	29.479
1991	28.253
1992	27.111
1993	25.933
1994	24.944
1995	24.148
1996	23.478
1997	22.813
1998	22.188
1999	21.649
2000	21.195
2001	22.611
2002	22.811
2003	23.052
2004	23.338
2005	23.648
2006	23.771
2007	23.623
2008	23.391
2009	23.126
2010	23.562
2011	23.885
2012	21.953
2013	21.886
2014	21.908
2015	21.214
2016	20.576
2017	19.898
2018	19.282
2019	18.732
2020	18.302
2021	17.828
2022	17.298