Year % of female population 1960 2.04714699700806 1961 2.04104937060908 1962 2.03744425663472 1963 2.03547774834473 1964 2.03200933264082 1965 2.02594132565022 1966 2.01878660551775 1967 2.01002779825678 1968 2.00050458925402 1969 1.99312998091354 1970 1.98818893182911 1971 1.98682988655846 1972 1.98834975497159 1973 1.98999417833058 1974 1.99142020769272 1975 1.99224263550266 1976 1.99336564717025 1977 1.99373672855944 1978 1.98643046685381 1979 1.97519565024875 1980 1.96843209146346 1981 1.96492002698575 1982 1.96224217842105 1983 1.9591419247365 1984 1.95462463349408 1985 1.95085301590397 1986 1.94936996660357 1987 1.94863215459389 1988 1.948282255664 1989 1.94781068711233 1990 1.94561095661729 1991 1.94414138293087 1992 1.94588693717931 1993 1.94568648851354 1994 1.93046992823883 1995 1.92183228009663 1996 1.93533691242375 1997 1.9528918024002 1998 1.96421256949479 1999 1.96942545923879 2000 1.972370239627 2001 1.97249424776019 2002 1.97059463504342 2003 1.96918515550644 2004 1.96793093418564 2005 1.96582724965946 2006 1.96175453081992 2007 1.95310936044123 2008 1.93354077622238 2009 1.90249632362313 2010 1.86348965748347 2011 1.8217821273427 2012 1.7849518145975 2013 1.75863515798299 2014 1.74372032354177 2015 1.73683898927286 2016 1.73277293130002 2017 1.72934515652341 2018 1.72869136718333 2019 1.72955728616163 2020 1.72768670328146 2021 1.72249299929888 2022 1.71726822022619 2023 1.71410796598714