Year	per 1,000 people
1960	43.905
1961	43.7
1962	43.488
1963	43.361
1964	43.173
1965	42.865
1966	42.86
1967	42.84
1968	42.823
1969	42.796
1970	42.954
1971	42.84
1972	42.33
1973	41.785
1974	41.283
1975	40.781
1976	40.767
1977	40.753
1978	40.745
1979	40.504
1980	39.97
1981	39.618
1982	39.196
1983	38.651
1984	38.034
1985	37.314
1986	36.575
1987	35.939
1988	35.382
1989	34.694
1990	34.149
1991	33.747
1992	33.427
1993	33.046
1994	32.525
1995	32.167
1996	32.385
1997	32.386
1998	32.257
1999	31.867
2000	31.423
2001	30.357
2002	29.213
2003	28.327
2004	27.647
2005	26.962
2006	26.139
2007	25.431
2008	24.819
2009	24.284
2010	23.696
2011	23.405
2012	22.975
2013	22.652
2014	22.266
2015	21.855
2016	21.714
2017	21.451
2018	21.2
2019	21.059
2020	20.837
2021	20.777
2022	20.684