Year % of female population 1960 6.17791206699657 1961 6.20253269150411 1962 6.22164348528304 1963 6.23630544965265 1964 6.17688751071243 1965 5.91014432895069 1966 5.40464540161708 1967 4.77314446120045 1968 4.15940819053269 1969 3.78299118601479 1970 3.81752289263286 1971 4.23751161978099 1972 4.85353719486575 1973 5.49090810840021 1974 5.951396048156 1975 6.2047960422929 1976 6.34067731003484 1977 6.38502794392631 1978 6.37844164755107 1979 6.36070440494154 1980 6.36804637445337 1981 6.37466143363897 1982 6.36076895449557 1983 6.33335596089957 1984 6.28233635876572 1985 6.16645156882809 1986 6.0225002835963 1987 5.89658905350203 1988 5.77319436217034 1989 5.68577339542943 1990 5.6465091535245 1991 5.63945565351048 1992 5.67628769076001 1993 5.75421803826298 1994 5.73985975619543 1995 5.55801721560604 1996 5.42713200400699 1997 5.44237941441048 1998 5.49913511473297 1999 5.68223509835646 2000 6.09604340128524 2001 6.49199178806242 2002 6.73445567705921 2003 6.95885601175093 2004 7.1551175162387 2005 7.27849183769409 2006 7.36173864816538 2007 7.41495544400295 2008 7.38483922821022 2009 7.31075796141798 2010 7.24584428459445 2011 7.19883094434006 2012 7.15847383976073 2013 7.15099740965447 2014 7.18019923193097 2015 7.22236261771368 2016 7.25637027312149 2017 7.27108099480101 2018 7.23695291686732 2019 7.13589257790003 2020 6.98723929591407 2021 6.83043755815817 2022 6.72761481252422 2023 6.70799094807481