Year % of female population 1960 3.85817790680305 1961 4.03939234782713 1962 4.1872195961494 1963 4.40857076988164 1964 4.60841026310848 1965 4.71621374261072 1966 4.7881620941558 1967 4.90329357961604 1968 5.00423032251569 1969 5.1195914587375 1970 5.24501440393143 1971 5.38425063280711 1972 5.5458366128328 1973 5.66618143664838 1974 5.75728983090572 1975 5.71779891140482 1976 5.4286496755261 1977 4.95553140161332 1978 4.60117372514325 1979 4.3342855497117 1980 4.05411521246166 1981 4.00483954890341 1982 4.18909768094851 1983 4.44149492309325 1984 4.74630606925932 1985 5.18207095934604 1986 5.66233912785308 1987 6.08462569900645 1988 6.38840038866854 1989 6.56252618145358 1990 6.61924407813021 1991 6.51498638740791 1992 6.29366607337403 1993 5.93749720403128 1994 5.46752236332364 1995 5.1418508259913 1996 5.08206080575336 1997 5.28688742088736 1998 5.71880404628937 1999 6.2494184011354 2000 6.58904936766052 2001 6.64532235787182 2002 6.26931116190158 2003 5.42733278663333 2004 4.48426492182136 2005 3.73727679521124 2006 3.40606866940107 2007 3.59170583710902 2008 4.1639705293919 2009 4.95797716359752 2010 5.74731765512066 2011 6.2433538622934 2012 6.50926797809007 2013 6.7168553916374 2014 6.86503323342362 2015 6.97611173986068 2016 7.06847877920226 2017 7.15340984822603 2018 7.27693071259402 2019 7.37364889545218 2020 7.45720346458637 2021 7.54887493930728 2022 7.5305723034989 2023 7.41721265563984