Year	per 1,000 people
1960	46.9
1961	46.396
1962	45.823
1963	45.18
1964	44.646
1965	43.772
1966	42.547
1967	41.252
1968	39.944
1969	38.732
1970	37.712
1971	36.677
1972	35.563
1973	34.598
1974	33.705
1975	32.968
1976	32.305
1977	31.701
1978	31.051
1979	30.448
1980	29.768
1981	29.08
1982	28.973
1983	29.024
1984	29.071
1985	29.45
1986	29.421
1987	28.955
1988	28.393
1989	28.247
1990	27.362
1991	26.361
1992	25.67
1993	24.792
1994	23.625
1995	22.691
1996	21.915
1997	21.523
1998	21.288
1999	21.261
2000	20.739
2001	20.129
2002	20.471
2003	20.869
2004	20.648
2005	19.911
2006	18.705
2007	17.526
2008	16.732
2009	16.089
2010	15.845
2011	15.759
2012	15.955
2013	15.862
2014	15.953
2015	15.791
2016	15.181
2017	14.506
2018	13.818
2019	13.198
2020	12.621
2021	11.926
2022	11.454