Year	per 1,000 people
1960	9.553
1961	9.154
1962	8.788
1963	8.4
1964	7.994
1965	7.539
1966	7.108
1967	6.705
1968	6.365
1969	6.025
1970	5.844
1971	5.701
1972	5.725
1973	5.774
1974	5.8
1975	5.908
1976	5.959
1977	6.091
1978	6.129
1979	6.254
1980	6.358
1981	6.459
1982	6.584
1983	6.77
1984	6.92
1985	7.052
1986	7.196
1987	7.327
1988	7.461
1989	7.608
1990	7.666
1991	7.753
1992	7.745
1993	7.666
1994	7.533
1995	7.416
1996	7.257
1997	7.104
1998	6.96
1999	6.734
2000	6.587
2001	6.305
2002	6.072
2003	6.142
2004	6.075
2005	6.015
2006	6.077
2007	5.914
2008	5.813
2009	5.727
2010	5.7
2011	5.624
2012	5.585
2013	5.565
2014	5.544
2015	5.649
2016	5.662
2017	5.746
2018	5.787
2019	5.865
2020	5.961
2021	6.365
2022	6.094