Year % of female population 1960 3.10557780228619 1961 3.10629542218776 1962 3.11140701287173 1963 3.11782647629697 1964 3.12035661218425 1965 3.11979022137324 1966 3.11605244210773 1967 3.10617550359822 1968 3.10013239633406 1969 3.11979473212465 1970 3.16760434384404 1971 3.23988907997029 1972 3.33858312154876 1973 3.44609136499598 1974 3.51324133530092 1975 3.53046450510295 1976 3.51739392092038 1977 3.47298152730621 1978 3.40774955093662 1979 3.33712132497421 1980 3.26617726130516 1981 3.1954196995868 1982 3.12621657617047 1983 3.05049426386942 1984 2.98212015769177 1985 2.92307249877779 1986 2.85519134771685 1987 2.77885769702355 1988 2.69905130675375 1989 2.62383113773877 1990 2.55612971609025 1991 2.49518415463391 1992 2.44872996387668 1993 2.42980034192157 1994 2.42852536366598 1995 2.42263981724477 1996 2.40617824700911 1997 2.3720388011135 1998 2.30170789743141 1999 2.18505779962608 2000 2.06231914297794 2001 1.96473840363172 2002 1.89073332258906 2003 1.8680783664473 2004 1.90781444514284 2005 1.9691545846942 2006 2.03093695537083 2007 2.10168368594548 2008 2.18131954034969 2009 2.26850137993172 2010 2.36105988170179 2011 2.45646539610505 2012 2.55184816529864 2013 2.64449518913286 2014 2.73230904795491 2015 2.81311465008565 2016 2.88529418950597 2017 2.94914053296846 2018 3.00512156239976 2019 3.05392373295834 2020 3.09468129666868 2021 3.1275331220726 2022 3.15612687611655 2023 3.18310784255665