Year	per 1,000 people
1960	10.992
1961	10.748
1962	10.577
1963	10.982
1964	10.094
1965	9.755
1966	9.647
1967	9.128
1968	8.718
1969	8.679
1970	8.365
1971	8.298
1972	8.524
1973	7.764
1974	7.374
1975	6.806
1976	7.158
1977	6.497
1978	6.323
1979	6.422
1980	6.212
1981	5.823
1982	5.77
1983	6.044
1984	5.943
1985	5.732
1986	5.54
1987	5.327
1988	5.459
1989	5.538
1990	5.625
1991	5.313
1992	5.201
1993	5.316
1994	5.217
1995	5.352
1996	5.337
1997	5.138
1998	5.258
1999	5.246
2000	4.959
2001	5.157
2002	5.035
2003	5.247
2004	5.293
2005	5.301
2006	5.352
2007	5.754
2008	5.557
2009	5.612
2010	5.962
2011	5.805
2012	6.074
2013	6.037
2014	6.12
2015	6.121
2016	6.107
2017	6.139
2018	6.327
2019	6.346
2020	7.221
2021	7.426
2022	7.199