Year	per 1,000 people
1960	25.985
1961	24.413
1962	22.903
1963	21.676
1964	20.202
1965	18.986
1966	17.846
1967	16.78
1968	15.629
1969	14.535
1970	13.52
1971	12.584
1972	11.685
1973	10.989
1974	10.14
1975	9.378
1976	8.649
1977	8.163
1978	7.69
1979	7.281
1980	6.878
1981	6.544
1982	6.263
1983	5.953
1984	5.707
1985	5.521
1986	5.319
1987	5.142
1988	4.972
1989	4.823
1990	4.663
1991	4.524
1992	4.395
1993	4.348
1994	4.281
1995	4.198
1996	4.187
1997	4.3
1998	4.385
1999	4.469
2000	4.686
2001	4.683
2002	4.669
2003	4.653
2004	4.549
2005	4.53
2006	4.491
2007	4.504
2008	4.42
2009	4.449
2010	4.512
2011	5.479
2012	5.028
2013	5.056
2014	5.43
2015	5.427
2016	5.48
2017	5.284
2018	5.245
2019	5.454
2020	5.598
2021	6.018
2022	5.954
