Year % of female population 1960 2.16411029462648 1961 2.1522840042969 1962 2.18358997964314 1963 2.22946354241049 1964 2.24448352918185 1965 2.23468809388857 1966 2.20605526402773 1967 2.13944086077329 1968 2.04805526787987 1969 1.95762299689863 1970 1.87605294638315 1971 1.78628520274406 1972 1.70227185667561 1973 1.64909339443809 1974 1.62299374117571 1975 1.61910709275701 1976 1.63385654129357 1977 1.66361517190611 1978 1.70483285698353 1979 1.75193368025516 1980 1.79628459913051 1981 1.8385038790184 1982 1.89078419323759 1983 1.94374556598185 1984 1.9759775171712 1985 1.98872649545751 1986 1.98066840071222 1987 1.9492445608141 1988 1.90862362964528 1989 1.87925179515096 1990 1.86735170682234 1991 1.87090810685052 1992 1.88757284694914 1993 1.90849649096925 1994 1.9219829363728 1995 1.92269327151163 1996 1.91568564210074 1997 1.90370966142065 1998 1.88675381092789 1999 1.86553319749901 2000 1.8406850504587 2001 1.81029039707174 2002 1.77673743064026 2003 1.74437402828005 2004 1.71684452919838 2005 1.69672258064516 2006 1.68431740287193 2007 1.67948214224356 2008 1.68217960676664 2009 1.71610572579977 2010 1.78049240083588 2011 1.84653886304088 2012 1.913474790431 2013 1.98880434686104 2014 2.05594394020498 2015 2.11381690079471 2016 2.18188793448975 2017 2.26058792604816 2018 2.33908411320239 2019 2.4101075444562 2020 2.47221433921535 2021 2.51810499523914 2022 2.55623591332711 2023 2.59874764578757