Year	per 1,000 people
1960	46.34
1961	46.571
1962	46.604
1963	46.718
1964	46.763
1965	46.918
1966	46.96
1967	46.843
1968	46.522
1969	46.263
1970	45.957
1971	45.64
1972	45.451
1973	45.25
1974	45.102
1975	44.905
1976	44.718
1977	44.562
1978	44.325
1979	43.847
1980	43.751
1981	43.709
1982	43.308
1983	42.911
1984	42.453
1985	41.936
1986	41.369
1987	40.975
1988	40.7
1989	40.748
1990	40.607
1991	40.62
1992	40.643
1993	41.452
1994	40.936
1995	40.733
1996	39.643
1997	39.005
1998	38.44
1999	38.236
2000	37.792
2001	37.502
2002	36.996
2003	36.715
2004	36.776
2005	36.923
2006	37.1
2007	37.064
2008	37.247
2009	36.947
2010	36.772
2011	36.712
2012	36.398
2013	35.834
2014	35.527
2015	35.18
2016	34.832
2017	34.425
2018	34.183
2019	33.723
2020	33.427
2021	33.194
2022	32.953