Year	per 1,000 people
1960	44.461
1961	44.388
1962	44.213
1963	43.949
1964	43.626
1965	43.286
1966	42.712
1967	42.023
1968	41.264
1969	40.631
1970	39.899
1971	39.104
1972	38.417
1973	37.858
1974	36.953
1975	36.456
1976	35.781
1977	35.177
1978	34.749
1979	34.224
1980	33.617
1981	32.95
1982	32.446
1983	31.591
1984	30.719
1985	29.178
1986	28.007
1987	27.445
1988	26.971
1989	26.306
1990	25.515
1991	25.367
1992	24.63
1993	24.263
1994	24.014
1995	23.791
1996	23.648
1997	23.441
1998	22.826
1999	22.193
2000	21.86
2001	21.548
2002	21.174
2003	20.874
2004	20.701
2005	20.735
2006	20.784
2007	20.954
2008	20.702
2009	20.383
2010	20.158
2011	20.345
2012	20.093
2013	19.417
2014	18.954
2015	18.448
2016	18.017
2017	17.519
2018	17.179
2019	16.91
2020	16.649
2021	16.425
2022	16.196