Year % of female population 1960 1.26762928139691 1961 1.23486919172198 1962 1.22641360720084 1963 1.24305173782909 1964 1.27037179449259 1965 1.29580046104724 1966 1.31409323408325 1967 1.32009659243359 1968 1.31676245086465 1969 1.31120415172863 1970 1.30871670702179 1971 1.3170041952485 1972 1.33715161901326 1973 1.36368085083245 1974 1.39385612552047 1975 1.42936624348794 1976 1.46682802100209 1977 1.50063586265367 1978 1.53227947166564 1979 1.55781308055498 1980 1.58312290692885 1981 1.61402835667324 1982 1.64481222151496 1983 1.67383710848149 1984 1.70036063388031 1985 1.72774705533165 1986 1.75662436490397 1987 1.78279974890144 1988 1.80635059720895 1989 1.82685724665018 1990 1.82583791946994 1991 1.79923363519444 1992 1.75992867249433 1993 1.71178093234749 1994 1.65762822205708 1995 1.60151943632268 1996 1.55300749022061 1997 1.51779802269562 1998 1.49647200454794 1999 1.48874463350002 2000 1.49455656713567 2001 1.50246967160601 2002 1.50307458510713 2003 1.49847259746691 2004 1.48854195546803 2005 1.47729974407145 2006 1.47159137418258 2007 1.47777132032279 2008 1.50189521782024 2009 1.54413595486177 2010 1.57588285676637 2011 1.59605467823682 2012 1.63099118605773 2013 1.67562912639939 2014 1.72610822720992 2015 1.78116491903299 2016 1.84416683557898 2017 1.90898084774985 2018 1.9646811075073 2019 2.01480276750267 2020 2.06452445893385 2021 2.11466269097053 2022 2.16890092807782 2023 2.23235761015971