Year	per 1,000 people
1960	50.327
1961	50.09
1962	49.429
1963	48.42
1964	47.197
1965	45.93
1966	44.776
1967	43.83
1968	43.106
1969	42.56
1970	42.056
1971	41.455
1972	40.756
1973	40.207
1974	39.96
1975	39.875
1976	39.778
1977	39.751
1978	39.942
1979	40.098
1980	40.253
1981	40.341
1982	40.382
1983	40.71
1984	40.987
1985	41.303
1986	41.929
1987	42.188
1988	42.578
1989	42.635
1990	41.936
1991	40.783
1992	39.291
1993	38.123
1994	37.79
1995	36.767
1996	34.88
1997	33.672
1998	33.381
1999	32.306
2000	31.771
2001	30.99
2002	30.167
2003	29.135
2004	28.833
2005	28.48
2006	28.548
2007	28.909
2008	29.587
2009	30.432
2010	31.045
2011	31.274
2012	31.169
2013	31.34
2014	31.432
2015	31.228
2016	30.213
2017	28.932
2018	28.688
2019	28.267
2020	27.53
2021	26.749
2022	26.025