Year	per 1,000 female adults
1960	288.03
1961	282.494
1962	277.505
1963	271.527
1964	266.095
1965	258.978
1966	253.413
1967	245.732
1968	239.997
1969	231.462
1970	225.848
1971	219.871
1972	211.243
1973	203.76
1974	197.009
1975	194.997
1976	187.747
1977	183.276
1978	177.509
1979	170.843
1980	166.806
1981	162.448
1982	157.804
1983	151.944
1984	146.06
1985	143.024
1986	141.38
1987	141.233
1988	140.378
1989	139.271
1990	136.425
1991	139.14
1992	139.232
1993	131.509
1994	131.684
1995	127.546
1996	128.618
1997	124.302
1998	101.067
1999	98.677
2000	90.817
2001	88.16
2002	85.334
2003	82.451
2004	79.703
2005	77.601
2006	75.237
2007	72.853
2008	70.4
2009	67.752
2010	64.197
2011	60.625
2012	57.303
2013	54.646
2014	57.169
2015	60.028
2016	57.144
2017	54.339
2018	51.604
2019	49.005
2020	46.533
2021	52.618
2022	48.788