Year	per 1,000 people
1960	6.594
1961	6.456
1962	6.394
1963	6.275
1964	6.25
1965	6.216
1966	6.047
1967	5.967
1968	5.957
1969	5.916
1970	5.88
1971	5.861
1972	5.754
1973	5.677
1974	5.657
1975	5.699
1976	5.741
1977	5.838
1978	5.934
1979	6
1980	6.06
1981	5.935
1982	6.118
1983	6.253
1984	6.366
1985	6.498
1986	6.69
1987	6.78
1988	6.902
1989	7.129
1990	7.1
1991	6.869
1992	6.418
1993	6.411
1994	6.388
1995	6.366
1996	6.338
1997	6.359
1998	6.339
1999	6.313
2000	6.335
2001	6.348
2002	6.42
2003	6.549
2004	6.808
2005	6.839
2006	6.887
2007	6.958
2008	7.179
2009	7.094
2010	6.745
2011	6.945
2012	7.187
2013	7.403
2014	7.729
2015	7.968
2016	8.336
2017	8.414
2018	8.597
2019	8.778
2020	9.69
2021	11.235
2022	11.084