Year	per 1,000 female adults
1960	356.718
1961	348.848
1962	342.759
1963	339.385
1964	333.234
1965	329.022
1966	324.881
1967	320.925
1968	315.887
1969	312.504
1970	308.37
1971	300.123
1972	294.08
1973	286.398
1974	278.875
1975	265.877
1976	259.893
1977	249.633
1978	238.884
1979	232.559
1980	229.295
1981	224.264
1982	217.836
1983	219.786
1984	217.237
1985	215.235
1986	213.321
1987	208.953
1988	214.91
1989	201.334
1990	211.75
1991	229.092
1992	249.723
1993	271.789
1994	297.096
1995	326.446
1996	373.601
1997	404.956
1998	445.946
1999	470.28
2000	501.543
2001	524.649
2002	527.951
2003	536.55
2004	527.488
2005	521.357
2006	500.794
2007	477.658
2008	458.094
2009	440.57
2010	438.559
2011	419.645
2012	388.723
2013	363.641
2014	342.353
2015	319.94
2016	294.909
2017	282.195
2018	277.518
2019	270.991
2020	264.932
2021	326.501
2022	348.105