Year	per 1,000 female adults
1960	124.275
1961	109.79
1962	115.255
1963	111.044
1964	103.965
1965	104.522
1966	105.416
1967	100.515
1968	108.095
1969	107.503
1970	108.701
1971	99.163
1972	102.771
1973	105.367
1974	109.937
1975	107.793
1976	102.59
1977	111.592
1978	112.542
1979	108.907
1980	111.573
1981	113.745
1982	111.901
1983	110.809
1984	114.969
1985	112.826
1986	100.032
1987	101.041
1988	101.432
1989	108.074
1990	106.923
1991	114.241
1992	112.191
1993	126.744
1994	134.54
1995	133.719
1996	122.611
1997	111.475
1998	111.023
1999	105.983
2000	102.974
2001	109.185
2002	103.637
2003	107.048
2004	104.367
2005	112.675
2006	116.755
2007	120.102
2008	119.033
2009	99.771
2010	98.028
2011	96.743
2012	93.203
2013	91.556
2014	84.589
2015	85.048
2016	81.433
2017	78.821
2018	76.1
2019	73.279
2020	82.555