Year	per 1,000 female adults
1960	387.175
1961	382.629
1962	373.717
1963	388.112
1964	394.099
1965	399.806
1966	396.425
1967	405.123
1968	411.501
1969	404.982
1970	398.045
1971	393.58
1972	386.435
1973	387.006
1974	385.637
1975	366.906
1976	346.39
1977	329.604
1978	315.125
1979	306.991
1980	298.987
1981	296.22
1982	294.911
1983	293.746
1984	302.019
1985	314.941
1986	329.268
1987	347.571
1988	364.634
1989	374.493
1990	387.133
1991	400.842
1992	417.346
1993	430.468
1994	441.009
1995	449.756
1996	472.572
1997	497.926
1998	519.974
1999	518.25
2000	520.769
2001	508.809
2002	499.114
2003	491.458
2004	468.87
2005	436.408
2006	415.531
2007	407.216
2008	409.028
2009	394.789
2010	377.88
2011	355.616
2012	334.542
2013	315.592
2014	286.222
2015	286.502
2016	270.016
2017	253.524
2018	252.369
2019	234.306
2020	237.901
2021	254.994
2022	256.969