Year	per 1,000 people
1960	16.084
1961	14.72
1962	13.44
1963	12.185
1964	11.083
1965	10.032
1966	9.251
1967	8.528
1968	7.87
1969	7.324
1970	6.904
1971	6.45
1972	6.035
1973	5.601
1974	5.247
1975	4.944
1976	4.644
1977	4.412
1978	4.222
1979	4.012
1980	3.842
1981	3.686
1982	3.588
1983	3.532
1984	3.435
1985	3.415
1986	3.369
1987	3.331
1988	3.298
1989	3.24
1990	3.206
1991	3.156
1992	3.103
1993	2.989
1994	2.956
1995	2.896
1996	2.766
1997	2.75
1998	2.76
1999	2.703
2000	2.595
2001	2.516
2002	2.509
2003	2.483
2004	2.429
2005	2.308
2006	2.235
2007	2.108
2008	2.002
2009	1.925
2010	1.883
2011	1.927
2012	1.935
2013	1.933
2014	2.028
2015	2.109
2016	2.071
2017	2.039
2018	1.992
2019	2
2020	2.239
2021	2.479
2022	2.476