Year	per 1,000 people
1960	18.906
1961	18.161
1962	17.602
1963	17.006
1964	16.35
1965	15.64
1966	14.914
1967	14.262
1968	13.637
1969	13.135
1970	12.764
1971	12.524
1972	16.285
1973	12.164
1974	12.029
1975	11.866
1976	11.666
1977	11.584
1978	12.768
1979	13.976
1980	10.535
1981	10.292
1982	10.009
1983	10.612
1984	10.763
1985	10.474
1986	9.807
1987	9.736
1988	8.563
1989	7.618
1990	7.288
1991	6.896
1992	6.704
1993	6.488
1994	6.248
1995	6.051
1996	5.866
1997	5.703
1998	6.29
1999	5.539
2000	5.547
2001	5.615
2002	5.699
2003	5.758
2004	5.748
2005	5.614
2006	5.357
2007	5.105
2008	4.808
2009	4.598
2010	4.491
2011	4.444
2012	4.47
2013	4.535
2014	4.597
2015	4.635
2016	4.633
2017	4.619
2018	4.605
2019	4.626
2020	5.703
2021	4.859
2022	4.655