Year	per 1,000 people
1960	8.828
1961	8.782
1962	8.668
1963	8.566
1964	8.722
1965	8.705
1966	8.503
1967	8.853
1968	8.887
1969	9.074
1970	8.994
1971	8.916
1972	8.863
1973	8.868
1974	8.814
1975	8.947
1976	9.035
1977	9.097
1978	9.393
1979	9.675
1980	9.773
1981	10.042
1982	10.341
1983	10.854
1984	11.03
1985	10.93
1986	11.063
1987	11.19
1988	11.069
1989	11.113
1990	10.988
1991	10.931
1992	10.922
1993	10.95
1994	10.891
1995	12.3
1996	12.9
1997	12.91
1998	13.13
1999	13.5
2000	13.8
2001	13.2
2002	13.7
2003	13.9
2004	14
2005	14.3
2006	13.88
2007	13.92
2008	13.97
2009	14.2
2010	14.2
2011	14.2
2012	14.2
2013	14
2014	14.2
2015	14.6
2016	14.3
2017	14.8
2018	14.6
2019	14.6
2020	16.9
2021	20
2022	16.2