Year	per 1,000 people
1960	17.041
1961	16.619
1962	16.193
1963	15.658
1964	15.131
1965	14.619
1966	14.071
1967	13.502
1968	13.085
1969	12.598
1970	12.155
1971	11.827
1972	11.499
1973	11.198
1974	10.915
1975	10.728
1976	10.628
1977	10.488
1978	10.249
1979	10.055
1980	9.824
1981	9.632
1982	9.586
1983	9.525
1984	9.364
1985	9.318
1986	9.1
1987	8.905
1988	8.66
1989	8.495
1990	8.257
1991	8.064
1992	8.027
1993	7.961
1994	7.866
1995	7.788
1996	7.735
1997	7.637
1998	7.372
1999	7.166
2000	6.949
2001	6.932
2002	6.88
2003	6.797
2004	6.741
2005	6.869
2006	6.769
2007	6.691
2008	6.562
2009	6.418
2010	6.377
2011	6.356
2012	6.379
2013	6.447
2014	6.567
2015	6.53
2016	6.574
2017	6.537
2018	6.639
2019	6.583
2020	6.836
2021	6.585
2022	6.585