Year	per 1,000 people
1960	47.337
1961	47.197
1962	47.735
1963	48.102
1964	48.425
1965	48.513
1966	48.747
1967	48.869
1968	48.721
1969	48.781
1970	48.781
1971	48.884
1972	48.374
1973	47.803
1974	47.362
1975	47.314
1976	47.25
1977	47.24
1978	47.381
1979	47.341
1980	47.292
1981	47.256
1982	47.25
1983	47.006
1984	46.376
1985	45.753
1986	45.188
1987	44.525
1988	44.196
1989	43.782
1990	43.092
1991	42.673
1992	42.219
1993	41.658
1994	40.953
1995	40.284
1996	39.714
1997	39.062
1998	38.608
1999	38.409
2000	38.097
2001	37.9
2002	37.42
2003	36.928
2004	36.338
2005	35.929
2006	36.495
2007	37.121
2008	37.497
2009	37.557
2010	37.497
2011	36.91
2012	36.316
2013	36.327
2014	36.349
2015	36.413
2016	36.038
2017	35.669
2018	35.236
2019	34.823
2020	34.226
2021	33.596
2022	33.027