Year	per 1,000 people
1960	26.659
1961	27.483
1962	27.211
1963	26.913
1964	26.582
1965	26.205
1966	25.92
1967	25.58
1968	25.192
1969	24.824
1970	24.407
1971	23.906
1972	23.436
1973	23.004
1974	22.61
1975	22.884
1976	22.842
1977	22.571
1978	22.227
1979	21.936
1980	21.71
1981	21.462
1982	21.247
1983	21.979
1984	21.788
1985	21.576
1986	21.429
1987	22.934
1988	22.387
1989	22.161
1990	21.993
1991	20.475
1992	21.634
1993	21.41
1994	20.352
1995	18.826
1996	18.635
1997	18.367
1998	19.106
1999	18.701
2000	18.287
2001	17.789
2002	17.275
2003	15.804
2004	15.151
2005	14.497
2006	13.943
2007	13.133
2008	12.478
2009	11.788
2010	11.177
2011	10.63
2012	10.031
2013	9.607
2014	9.181
2015	8.826
2016	8.555
2017	8.242
2018	7.99
2019	7.811
2020	7.821
2021	8.009
2022	7.863