Year	per 1,000 people
1960	26.251
1961	25.148
1962	25.041
1963	26.305
1964	27.612
1965	28.609
1966	28.972
1967	27.47
1968	26.314
1969	26.158
1970	25.464
1971	24.486
1972	23.648
1973	23.046
1974	22.637
1975	22.519
1976	22.603
1977	22.967
1978	23.805
1979	24.189
1980	24.804
1981	25.277
1982	25.87
1983	25.764
1984	28.109
1985	29.662
1986	30.852
1987	31.686
1988	32.133
1989	32.37
1990	32.239
1991	31.87
1992	31.32
1993	30.688
1994	30.107
1995	29.66
1996	29.454
1997	29.153
1998	28.859
1999	28.8
2000	28.792
2001	28.694
2002	28.404
2003	28.258
2004	28.414
2005	28.894
2006	29.664
2007	30.861
2008	32.061
2009	33.401
2010	34.435
2011	34.913
2012	34.497
2013	33.513
2014	32.608
2015	31.856
2016	31.159
2017	30.375
2018	29.686
2019	29.124
2020	28.364
2021	27.56
2022	26.785