Year	per 1,000 people
1960	44.194
1961	42.755
1962	42.897
1963	41.773
1964	40.355
1965	39.117
1966	38.023
1967	36.491
1968	35.756
1969	35.042
1970	34.142
1971	33.401
1972	32.21
1973	31.471
1974	31.239
1975	32.166
1976	32.914
1977	33.4
1978	33.846
1979	34.058
1980	34.038
1981	33.851
1982	33.522
1983	33.121
1984	32.732
1985	32.001
1986	30.956
1987	30.653
1988	30.049
1989	29.538
1990	29.177
1991	28.584
1992	27.946
1993	27.249
1994	26.588
1995	26.266
1996	26.001
1997	25.386
1998	24.813
1999	24.562
2000	24.34
2001	24.289
2002	24.267
2003	24.242
2004	24.067
2005	23.796
2006	24.051
2007	23.859
2008	23.614
2009	23.172
2010	22.664
2011	22.126
2012	21.925
2013	21.835
2014	21.683
2015	21.45
2016	21.05
2017	20.55
2018	20.187
2019	19.962
2020	19.628
2021	19.345
2022	19.131