Year	per 1,000 people
1960	40.787
1961	39.38
1962	37.162
1963	34.569
1964	31.821
1965	29.481
1966	27.417
1967	26.078
1968	25.156
1969	24.241
1970	23.704
1971	23.501
1972	23.306
1973	23.251
1974	23.364
1975	23.534
1976	23.725
1977	24.229
1978	24.453
1979	24.73
1980	25.053
1981	25.506
1982	25.821
1983	26.497
1984	26.74
1985	26.4
1986	25.777
1987	25.194
1988	24.657
1989	24.231
1990	24.224
1991	22.95
1992	21.144
1993	18.995
1994	17.465
1995	16.348
1996	15.489
1997	14.75
1998	13.902
1999	13.265
2000	12.51
2001	12.157
2002	12.19
2003	12.482
2004	12.822
2005	13.033
2006	11.759
2007	12.578
2008	13.038
2009	14.255
2010	13.898
2011	14.046
2012	15.094
2013	15.055
2014	15.842
2015	14.641
2016	14.504
2017	13.606
2018	13.307
2019	12.892
2020	12.455
2021	12.049
2022	11.7