Year	per 1,000 people
1960	26.737
1961	26.344
1962	25.647
1963	24.933
1964	23.428
1965	21.917
1966	20.992
1967	20.429
1968	19.642
1969	19.334
1970	19.305
1971	19.408
1972	19.329
1973	19.069
1974	18.852
1975	18.957
1976	18.884
1977	18.806
1978	19.004
1979	19.143
1980	19.318
1981	19.4
1982	19.494
1983	19.684
1984	19.976
1985	20.012
1986	19.689
1987	18.889
1988	18.418
1989	18.312
1990	18.462
1991	17.795
1992	16.552
1993	15.481
1994	14.652
1995	14.088
1996	13.553
1997	13.1
1998	12.637
1999	12.185
2000	11.979
2001	11.77
2002	11.798
2003	11.811
2004	12.221
2005	12.483
2006	12.648
2007	13.122
2008	13.9
2009	14.789
2010	15.109
2011	14.937
2012	14.842
2013	15.102
2014	15.442
2015	15.79
2016	15.471
2017	14.856
2018	14.395
2019	13.451
2020	12.966
2021	13.412
2022	13.099