Year	per 1,000 people
1960	42.615
1961	41.9
1962	41.176
1963	40.452
1964	39.745
1965	39.092
1966	38.448
1967	37.776
1968	37.057
1969	36.49
1970	35.939
1971	35.126
1972	34.653
1973	34.235
1974	33.575
1975	32.936
1976	32.401
1977	31.924
1978	31.55
1979	31.226
1980	30.774
1981	31.098
1982	31.247
1983	31.257
1984	31.091
1985	30.773
1986	30.405
1987	30.092
1988	29.851
1989	29.515
1990	29.117
1991	28.717
1992	28.731
1993	28.598
1994	28.382
1995	28.135
1996	27.752
1997	27.337
1998	26.893
1999	26.357
2000	25.772
2001	25.149
2002	24.516
2003	23.9
2004	23.426
2005	22.994
2006	22.608
2007	22.295
2008	22.031
2009	21.832
2010	21.705
2011	21.621
2012	21.544
2013	21.502
2014	21.423
2015	21.31
2016	21.139
2017	20.958
2018	20.77
2019	20.828
2020	20.473
2021	20.298
2022	19.897