Year % of female population 1960 2.08126336643261 1961 2.13384492914428 1962 2.19756410680851 1963 2.26623369089127 1964 2.32943105232562 1965 2.38244775808163 1966 2.42602821047808 1967 2.45991282633884 1968 2.48517289441618 1969 2.50514500557206 1970 2.52094769116903 1971 2.53203707762504 1972 2.53799358649671 1973 2.5397154393362 1974 2.5409406026766 1975 2.54222766401529 1976 2.54378938252503 1977 2.54467199001677 1978 2.54099896292698 1979 2.52745754503876 1980 2.50161779439271 1981 2.46476460758307 1982 2.41727902274807 1983 2.36264892050561 1984 2.31002551347603 1985 2.26448768167074 1986 2.22596482136086 1987 2.19425034005289 1988 2.16503517886469 1989 2.13295652650785 1990 2.09750638222531 1991 2.06209420521074 1992 2.02726670203776 1993 1.99226391779981 1994 1.95622834434045 1995 1.92131719636164 1996 1.88806194538528 1997 1.85479231769326 1998 1.82431876980536 1999 1.80171265123878 2000 1.79829066889836 2001 1.81349663414334 2002 1.83501904548018 2003 1.85379053335638 2004 1.85855150587215 2005 1.83577122288329 2006 1.79296003735046 2007 1.75129584312081 2008 1.71442517763847 2009 1.67874741782094 2010 1.65288530246495 2011 1.6346680354627 2012 1.6120069322631 2013 1.58434528420346 2014 1.55761295811291 2015 1.52974690086419 2016 1.49794744470792 2017 1.46706882722546 2018 1.43886149971705 2019 1.41518390804259 2020 1.39304364363692 2021 1.37145624642466 2022 1.3540502438103 2023 1.34296483566518