Year % of female population 1960 2.87081339712919 1961 2.87511137818852 1962 2.88239028486003 1963 2.89256616567987 1964 2.90250930483852 1965 2.90504451038576 1966 2.90474281635885 1967 2.9026117708444 1968 2.89842615937046 1969 2.892834902723 1970 2.88754223798486 1971 2.889653590273 1972 2.89744912271177 1973 2.9046569130656 1974 2.91093627481212 1975 2.91554814216338 1976 2.91206487984738 1977 2.8998568179904 1978 2.88362683646735 1979 2.85877504386502 1980 2.82362953209801 1981 2.78672222748366 1982 2.75482734811987 1983 2.72245875871752 1984 2.68683167127238 1985 2.64934450351595 1986 2.61144547587473 1987 2.57128895021272 1988 2.53458182592041 1989 2.50665732305536 1990 2.48345746006257 1991 2.47031657762779 1992 2.5010774701002 1993 2.55681818181818 1994 2.60167503309436 1995 2.64922544655873 1996 2.70178408813985 1997 2.75133754400234 1998 2.80728280728281 1999 2.88077153707775 2000 2.95714586768151 2001 3.0333072655283 2002 3.13803692239934 2003 3.26302933080555 2004 3.37350707065828 2005 3.46905459259615 2006 3.56089992242048 2007 3.65766792506589 2008 3.76395835670798 2009 3.88324425911787 2010 4.01201796861327 2011 4.16258711886402 2012 4.34484625441309 2013 4.54834478057387 2014 4.76681576023475 2015 4.98741810432772 2016 5.20336479370341 2017 5.41275860521474 2018 5.61050763064763 2019 5.80101442753732 2020 5.9865503091438 2021 6.15633078496111 2022 6.29090629090629 2023 6.39032815198618