Year % of female population 1960 7.41865582945525 1961 7.60202877959325 1962 7.75549399087046 1963 7.91485568892672 1964 8.04666280604674 1965 8.1082880984189 1966 8.0898281587077 1967 8.01340046351794 1968 7.89377177901111 1969 7.73115125383182 1970 7.52460233797562 1971 7.27989960795716 1972 7.00412028503966 1973 6.68347165302981 1974 6.35846234668965 1975 6.08942089673066 1976 5.84763509700841 1977 5.61655237225505 1978 5.44277239746167 1979 5.31924563512281 1980 5.2677674409259 1981 5.31805570794865 1982 5.42219738158126 1983 5.51931845051147 1984 5.58911292057523 1985 5.60215560764356 1986 5.55027603909154 1987 5.47066529168884 1988 5.41321377488857 1989 5.40159381985962 1990 5.42643946942902 1991 5.48992083636106 1992 5.55834281376398 1993 5.60505350377604 1994 5.61357294161632 1995 5.58368903141257 1996 5.51124780380363 1997 5.39429140182253 1998 5.24887643671158 1999 5.09105557339439 2000 4.94821462958927 2001 4.79212816629795 2002 4.67115065732865 2003 4.61465909735287 2004 4.58781857488404 2005 4.58168541592801 2006 4.57947479981159 2007 4.5596073789152 2008 4.52783465477991 2009 4.49848155650239 2010 4.47041274447251 2011 4.45366438350195 2012 4.44674287372118 2013 4.45192061445654 2014 4.4705344789222 2015 4.51626045091792 2016 4.58299378501407 2017 4.6444546585926 2018 4.67855704018287 2019 4.68565820658128 2020 4.66732546204352 2021 4.62616019544594 2022 4.57764944110382 2023 4.53899079037377