Year	per 1,000 people
1960	16.681
1961	15.735
1962	14.871
1963	13.918
1964	12.993
1965	12.146
1966	11.396
1967	10.738
1968	10.131
1969	9.552
1970	9.013
1971	8.558
1972	8.121
1973	7.742
1974	7.417
1975	7.137
1976	6.937
1977	6.711
1978	6.595
1979	6.445
1980	6.05
1981	5.973
1982	5.899
1983	5.838
1984	5.808
1985	5.794
1986	5.73
1987	5.627
1988	5.578
1989	5.554
1990	5.526
1991	5.515
1992	5.466
1993	5.48
1994	5.52
1995	5.549
1996	5.571
1997	5.923
1998	5.664
1999	5.732
2000	5.798
2001	5.872
2002	5.953
2003	6.057
2004	6.181
2005	6.306
2006	6.477
2007	6.318
2008	6.57
2009	6.81
2010	7.029
2011	7.238
2012	7.573
2013	7.819
2014	7.868
2015	7.947
2016	8.035
2017	8.15
2018	8.308
2019	8.48
2020	10.785
2021	11.325
2022	11.194