Year	per 1,000 people
1960	48.722
1961	48.634
1962	48.68
1963	48.593
1964	48.392
1965	48.021
1966	47.628
1967	47.374
1968	47.108
1969	46.988
1970	46.8
1971	46.515
1972	46.156
1973	45.86
1974	45.66
1975	45.404
1976	44.91
1977	44.311
1978	43.915
1979	43.64
1980	43.703
1981	43.088
1982	42.255
1983	41.088
1984	39.865
1985	38.71
1986	36.859
1987	35.242
1988	33.679
1989	32.386
1990	30.762
1991	30.031
1992	29.513
1993	28.43
1994	27.211
1995	24.758
1996	22.745
1997	21.154
1998	20.017
1999	19.68
2000	19.543
2001	19.433
2002	19.421
2003	19.959
2004	20.534
2005	21.166
2006	21.831
2007	22.65
2008	23.413
2009	24.051
2010	24.458
2011	24.815
2012	25.382
2013	25.236
2014	25.404
2015	25.405
2016	25.166
2017	24.755
2018	24.074
2019	23.298
2020	22.431
2021	21.524
2022	20.572