Year	per 1,000 people
1960	21.537
1961	21.238
1962	20.205
1963	19.371
1964	18.681
1965	17.886
1966	17.168
1967	16.235
1968	15.321
1969	14.514
1970	13.535
1971	12.796
1972	11.968
1973	11.319
1974	10.719
1975	10.104
1976	9.612
1977	9.073
1978	8.663
1979	8.233
1980	7.88
1981	7.607
1982	7.33
1983	7.062
1984	6.807
1985	6.481
1986	6.242
1987	5.97
1988	5.713
1989	5.659
1990	5.5
1991	5.366
1992	5.341
1993	5.171
1994	5.074
1995	4.979
1996	4.887
1997	4.774
1998	4.751
1999	4.725
2000	4.773
2001	4.847
2002	4.863
2003	4.884
2004	4.939
2005	4.937
2006	5.007
2007	5.076
2008	5.169
2009	5.271
2010	5.329
2011	5.441
2012	5.519
2013	5.591
2014	5.715
2015	5.811
2016	5.883
2017	5.974
2018	6.04
2019	6.145
2020	6.752
2021	7.884
2022	7.601