Year	per 1,000 people
1960	45.231
1961	43.562
1962	41.617
1963	39.41
1964	37.055
1965	34.838
1966	32.785
1967	31.135
1968	29.748
1969	28.858
1970	28.025
1971	28.225
1972	28.534
1973	28.915
1974	29.138
1975	28.941
1976	28.574
1977	28.157
1978	27.968
1979	28.244
1980	28.112
1981	25.424
1982	26.872
1983	28.385
1984	27.794
1985	29.776
1986	30.979
1987	31.358
1988	28.378
1989	29.11
1990	27.981
1991	27.708
1992	26.074
1993	24.156
1994	23.241
1995	22.517
1996	22.129
1997	21.796
1998	19.107
1999	18.051
2000	18.184
2001	17.619
2002	17.385
2003	17.214
2004	17.24
2005	17.349
2006	17.492
2007	17.642
2008	17.776
2009	17.877
2010	17.927
2011	17.918
2012	17.897
2013	17.836
2014	17.743
2015	17.605
2016	17.419
2017	17.191
2018	16.92
2019	16.617
2020	16.288
2021	15.961
2022	15.616