Year	per 1,000 people
1960	49.956
1961	50.23
1962	50.489
1963	50.822
1964	51.104
1965	51.329
1966	51.651
1967	51.968
1968	52.186
1969	52.345
1970	52.467
1971	52.422
1972	52.254
1973	52.003
1974	51.682
1975	51.355
1976	51.004
1977	50.619
1978	50.202
1979	49.763
1980	49.326
1981	48.927
1982	48.595
1983	50.618
1984	52.199
1985	53.885
1986	54.292
1987	54.116
1988	55.346
1989	55.78
1990	55.467
1991	55.269
1992	55.056
1993	54.767
1994	54.453
1995	54.045
1996	53.897
1997	53.423
1998	52.842
1999	52.306
2000	51.432
2001	50.594
2002	49.484
2003	47.464
2004	45.496
2005	43.519
2006	41.565
2007	40.798
2008	40.691
2009	40.508
2010	40.18
2011	40.255
2012	39.872
2013	39.27
2014	38.48
2015	36.325
2016	35.15
2017	32.651
2018	30.147
2019	29.058
2020	29.166
2021	29.107
2022	28.857