Year	per 1,000 female adults
1960	109.365
1961	110.912
1962	110.498
1963	111.365
1964	107.739
1965	108.28
1966	108.542
1967	104.594
1968	106.317
1969	109.382
1970	106.877
1971	105.395
1972	107.623
1973	105.536
1974	104.664
1975	102.725
1976	103.044
1977	99.982
1978	101.766
1979	100.469
1980	96.533
1981	94.264
1982	92.496
1983	90.337
1984	88.436
1985	87.047
1986	84.421
1987	83.524
1988	81.767
1989	80.426
1990	78.124
1991	75.839
1992	74.16
1993	74.268
1994	71.992
1995	72.505
1996	71.238
1997	69.783
1998	69.213
1999	68.318
2000	67.6
2001	65.765
2002	64.844
2003	64.551
2004	62.084
2005	61.571
2006	60.813
2007	60.006
2008	60.097
2009	58.132
2010	57.445
2011	55.743
2012	54.362
2013	53.891
2014	53.642
2015	54.081
2016	55.127
2017	53.07
2018	54.575
2019	53.705
2020	57.661
2021	60.214