Year	per 1,000 female adults
1960	104.247
1961	119.321
1962	100.503
1963	113.752
1964	94.799
1965	97.489
1966	95.188
1967	88.034
1968	104.762
1969	101.635
1970	103.868
1971	99.81
1972	98.287
1973	95.854
1974	95.26
1975	100.094
1976	93.022
1977	90.635
1978	87.556
1979	92.784
1980	86.153
1981	82.735
1982	75.934
1983	81.422
1984	67.769
1985	73.424
1986	70.642
1987	64.42
1988	61.974
1989	61.179
1990	60.754
1991	66.703
1992	53.299
1993	64.091
1994	57.074
1995	58.208
1996	57.015
1997	55.616
1998	51.532
1999	51.474
2000	50.215
2001	49.584
2002	51.882
2003	47.899
2004	45.151
2005	44.116
2006	42.305
2007	39.964
2008	39.533
2009	40.557
2010	40.294
2011	37.052
2012	39.236
2013	38.055
2014	36.171
2015	38.572
2016	39.088
2017	38.911
2018	38.721
2019	38.837
2020	39.372
2021	39.531
2022	38.274