Year	per 1,000 people
1960	41.849
1961	41.722
1962	41.585
1963	41.481
1964	41.052
1965	40.481
1966	39.705
1967	38.845
1968	38.037
1969	37.316
1970	36.68
1971	35.995
1972	35.493
1973	35.214
1974	35.024
1975	34.898
1976	34.811
1977	34.941
1978	34.932
1979	35.401
1980	35.903
1981	36.531
1982	36.566
1983	36.636
1984	36.589
1985	36.452
1986	36.062
1987	35.719
1988	35.337
1989	34.752
1990	34.264
1991	33.691
1992	33.032
1993	32.364
1994	31.713
1995	31.002
1996	30.272
1997	29.524
1998	28.734
1999	27.947
2000	27.171
2001	26.342
2002	25.591
2003	24.932
2004	24.443
2005	24.047
2006	23.742
2007	23.45
2008	23.191
2009	22.921
2010	22.606
2011	22.324
2012	22.069
2013	22.249
2014	22.402
2015	22.428
2016	22.263
2017	21.962
2018	21.664
2019	21.281
2020	20.946
2021	20.627
2022	20.328