Year	per 1,000 people
1960	55.169
1961	55.45
1962	55.581
1963	55.453
1964	55.229
1965	55.294
1966	54.922
1967	54.369
1968	53.842
1969	53.367
1970	52.749
1971	52.41
1972	51.735
1973	51.018
1974	50.436
1975	50.031
1976	49.778
1977	49.425
1978	49.188
1979	48.95
1980	48.569
1981	48.52
1982	48.081
1983	47.532
1984	47.317
1985	46.886
1986	46.62
1987	46.191
1988	45.389
1989	44.538
1990	43.522
1991	42.541
1992	41.712
1993	41.064
1994	40.599
1995	40.428
1996	40.22
1997	40.075
1998	40.242
1999	39.987
2000	39.934
2001	39.983
2002	39.594
2003	39.045
2004	38.732
2005	38.502
2006	38.29
2007	38.098
2008	37.546
2009	36.563
2010	35.422
2011	34.24
2012	33.174
2013	32.127
2014	31.298
2015	30.957
2016	30.401
2017	29.755
2018	29.18
2019	28.46
2020	27.998
2021	27.685
2022	27.54