Year	per 1,000 people
1960	41.068
1961	40.332
1962	39.216
1963	38.149
1964	36.825
1965	35.362
1966	34.356
1967	33.898
1968	33.512
1969	33.075
1970	32.201
1971	31.747
1972	31.231
1973	30.697
1974	30.297
1975	29.987
1976	29.357
1977	28.589
1978	27.888
1979	27.203
1980	26.769
1981	26.654
1982	26.795
1983	26.722
1984	26.621
1985	26.297
1986	25.935
1987	25.685
1988	25.364
1989	24.86
1990	24.415
1991	23.723
1992	23.145
1993	22.47
1994	22.244
1995	21.809
1996	20.987
1997	19.81
1998	18.803
1999	17.982
2000	17.076
2001	16.12
2002	15.209
2003	14.668
2004	13.978
2005	13.235
2006	12.539
2007	12.07
2008	11.868
2009	11.841
2010	11.92
2011	12.035
2012	12.227
2013	12.279
2014	12.15
2015	11.718
2016	11.289
2017	10.87
2018	10.517
2019	10.343
2020	10.285
2021	10.24
2022	10.116