Year	per 1,000 people
1960	14.029
1961	12.858
1962	11.68
1963	13.344
1964	9.898
1965	9.76
1966	10.552
1967	9.558
1968	9.894
1969	10.423
1970	9.454
1971	9.834
1972	8.366
1973	7.912
1974	7.566
1975	7.346
1976	7.461
1977	7.62
1978	6.974
1979	6.821
1980	6.689
1981	6.329
1982	6.547
1983	6.613
1984	7.488
1985	8.097
1986	8.212
1987	8.613
1988	8.55
1989	9.781
1990	9.915
1991	10.32
1992	10.008
1993	9.655
1994	9.548
1995	9.281
1996	9.394
1997	9.255
1998	9.406
1999	10.1
2000	9.141
2001	9.951
2002	9.61
2003	10.193
2004	9.728
2005	9.837
2006	9.544
2007	10.477
2008	9.845
2009	10.906
2010	11.573
2011	12.998
2012	12.186
2013	12.569
2014	12.401
2015	10.93
2016	10.714
2017	11.455
2018	8.417
2019	8.369
2020	8.177
2021	8.986
2022	8.921