Year	per 1,000 people
1960	18.247
1961	17.782
1962	17.321
1963	16.913
1964	16.447
1965	16.047
1966	15.749
1967	15.354
1968	14.975
1969	14.627
1970	14.272
1971	13.875
1972	13.513
1973	13.129
1974	12.786
1975	12.372
1976	12.043
1977	11.689
1978	11.333
1979	11.093
1980	11.63
1981	11.368
1982	11.023
1983	10.76
1984	10.433
1985	10.113
1986	9.815
1987	9.478
1988	9.399
1989	8.387
1990	8.31
1991	8.425
1992	8.568
1993	8.757
1994	9.089
1995	9.524
1996	10.22
1997	10.837
1998	11.569
1999	12.142
2000	12.718
2001	13.129
2002	13.12
2003	13.241
2004	13.199
2005	12.954
2006	12.537
2007	12.046
2008	11.61
2009	11.249
2010	11.062
2011	10.861
2012	10.372
2013	9.91
2014	9.427
2015	9.077
2016	8.686
2017	8.47
2018	8.403
2019	8.248
2020	8.475
2021	10.709
2022	11.457