Year % of female population 1960 2.356114046033 1961 2.360902447593 1962 2.3687458230989 1963 2.37809302376621 1964 2.38654277673876 1965 2.39388404765221 1966 2.39958960252113 1967 2.40264290471031 1968 2.40578830418338 1969 2.41309239477592 1970 2.42526122313727 1971 2.44228301831586 1972 2.46462962447564 1973 2.48896220249079 1974 2.51001418548815 1975 2.52662676894164 1976 2.53936071423441 1977 2.54750557438204 1978 2.55193673168273 1979 2.55445494126444 1980 2.55581837998746 1981 2.55562064052875 1982 2.55352301576621 1983 2.54941376137319 1984 2.54249891984098 1985 2.53224060254587 1986 2.51875897393417 1987 2.50225474607637 1988 2.48302689175811 1989 2.46150039507498 1990 2.43764644277331 1991 2.41174901916899 1992 2.38473715135366 1993 2.3570063666618 1994 2.32952303085641 1995 2.30185792118263 1996 2.27455253780348 1997 2.25489779632725 1998 2.23738948996031 1999 2.21420872064721 2000 2.18943560153741 2001 2.17154535447473 2002 2.15447769201327 2003 2.13303263493609 2004 2.11620376728494 2005 2.10446423743347 2006 2.08910092708298 2007 2.06333838648934 2008 2.02783532168038 2009 1.96784578501884 2010 1.9234650008944 2011 1.91630800960992 2012 1.91752234790976 2013 1.92853247982722 2014 1.96104329781076 2015 1.98392646649668 2016 1.9821761954001 2017 1.98335913234875 2018 1.98815864328619 2019 1.9955580560693 2020 2.00320227637676 2021 2.00915701864394 2022 2.01493279286793 2023 2.02341348865585