Year % of female population 1960 3.73321578733216 1961 3.71125975473802 1962 3.68663594470046 1963 3.65966226855622 1964 3.63101816582079 1965 3.59664186224003 1966 3.55882691683506 1967 3.5215348635056 1968 3.48180292299505 1969 3.43801251290773 1970 3.38826829634824 1971 3.33071983644141 1972 3.2725089563403 1973 3.21411829049144 1974 3.15524095801416 1975 3.10232168155665 1976 3.05212488493403 1977 2.99973276322822 1978 2.94193131374581 1979 2.87742510259594 1980 2.80635400907716 1981 2.74883388504364 1982 2.71205731984924 1983 2.68027488098987 1984 2.65520921502963 1985 2.63887237370457 1986 2.63248921334814 1987 2.63401276657479 1988 2.66425666516042 1989 2.74067665242705 1990 2.8655433472999 1991 2.97902123001274 1992 3.06290501593212 1993 3.14904404020208 1994 3.23462861011634 1995 3.33766372437357 1996 3.45803122636893 1997 3.59763482225547 1998 3.77286109376394 1999 3.9865891819401 2000 4.22142786751597 2001 4.46495094298974 2002 4.70523683595085 2003 4.94534754628083 2004 5.1784045651247 2005 5.39171852473675 2006 5.59727526439483 2007 5.80499787599505 2008 6.00131795105019 2009 6.17027228646028 2010 6.29721977465739 2011 6.36574510617433 2012 6.36027319294252 2013 6.27707693188541 2014 6.1499069794204 2015 6.02962834618383 2016 5.96085409252669 2017 5.95273909457033 2018 6.02242121945765 2019 6.1690843862112 2020 6.34295926638476 2021 6.5039219138157 2022 6.6307980282049 2023 6.70877014053015