Year % of female population 1960 17.40193051574127 1961 17.46719889776578 1962 17.559785786942385 1963 17.672704056621843 1964 17.776353405074968 1965 17.87031192584254 1966 17.955032659000576 1967 18.01559611982965 1968 18.057931496072975 1969 18.098941664006738 1970 18.13719071032281 1971 18.179548146313216 1972 18.230137321791634 1973 18.276829358044715 1974 18.3168233408176 1975 18.359480224375 1976 18.393084778278045 1977 18.418299098111163 1978 18.446000378497953 1979 18.474863675783002 1980 18.496685380632957 1981 18.506083792808305 1982 18.502060386490573 1983 18.485882359400197 1984 18.458249115938354 1985 18.420014840314515 1986 18.37830924599264 1987 18.32557152249781 1988 18.231619103679282 1989 18.142509072156138 1990 18.08753526423133 1991 18.030571948562365 1992 17.983379467533286 1993 17.954745333052003 1994 17.902214519867442 1995 17.858779130338224 1996 17.85872789364339 1997 17.85198198521411 1998 17.815011429792992 1999 17.777105689781283 2000 17.7467920567553 2001 17.713559198885047 2002 17.69679412421974 2003 17.691541074643883 2004 17.67789426949837 2005 17.651100778469576 2006 17.625373585595856 2007 17.610297004791065 2008 17.584865785522286 2009 17.544883696322373 2010 17.500820646126293 2011 17.436409460506752 2012 17.349066782409206 2013 17.241371408539823 2014 17.109152228751565 2015 16.958811203727922 2016 16.795293546540574 2017 16.624376851282317 2018 16.454100811464937 2019 16.287114735894562 2020 16.12722025163283 2021 15.981430611713973 2022 15.844667467648607 2023 15.707287736398731