Year	per 1,000 people
1960	9.727
1961	9.686
1962	9.663
1963	9.649
1964	9.629
1965	9.604
1966	9.579
1967	9.559
1968	9.549
1969	9.559
1970	9.585
1971	9.652
1972	9.761
1973	9.78
1974	9.832
1975	9.846
1976	9.816
1977	9.742
1978	9.667
1979	9.591
1980	9.525
1981	9.49
1982	9.467
1983	9.448
1984	9.434
1985	9.423
1986	9.41
1987	9.395
1988	9.395
1989	9.393
1990	9.388
1991	9.395
1992	9.401
1993	9.4
1994	9.39
1995	9.363
1996	9.321
1997	9.269
1998	9.214
1999	9.165
2000	9.124
2001	9.103
2002	9.101
2003	9.111
2004	9.133
2005	9.166
2006	9.206
2007	9.249
2008	9.29
2009	9.332
2010	9.369
2011	9.402
2012	9.434
2013	9.468
2014	9.508
2015	9.559
2016	9.628
2017	9.724
2018	9.863
2019	10.057
2020	9.432
2021	12.162
2022	9.879