Year	per 1,000 people
1960	46.842
1961	46.323
1962	45.943
1963	45.239
1964	44.578
1965	43.932
1966	43.334
1967	42.806
1968	42.357
1969	42.027
1970	41.779
1971	41.983
1972	42.127
1973	42.188
1974	42.277
1975	42.338
1976	42.255
1977	42.128
1978	41.956
1979	41.836
1980	41.851
1981	42.001
1982	41.656
1983	41.395
1984	41.086
1985	40.745
1986	40.504
1987	40.175
1988	39.75
1989	39.094
1990	38.427
1991	37.744
1992	37.032
1993	36.24
1994	35.147
1995	34.008
1996	32.825
1997	31.739
1998	30.714
1999	29.812
2000	29.024
2001	28.101
2002	27.255
2003	26.413
2004	25.64
2005	25.004
2006	24.394
2007	23.738
2008	23.276
2009	22.772
2010	21.565
2011	21.727
2012	20.233
2013	19.649
2014	19.539
2015	19.181
2016	19.289
2017	19.006
2018	17.821
2019	17.463
2020	17.158
2021	16.951
2022	16.686