Year % of female population 1960 2.28870391995043 1961 2.25688780806074 1962 2.21504154309473 1963 2.17143007109926 1964 2.13838266765609 1965 2.1185742234232 1966 2.10998945606479 1967 2.11257414198356 1968 2.1211494248913 1969 2.12565285141629 1970 2.11758281348782 1971 2.10498763520558 1972 2.09338102537706 1973 2.07237889249939 1974 2.04230695097684 1975 2.01091567667728 1976 1.9782209968677 1977 1.94156131698435 1978 1.9054374957324 1979 1.87857690643031 1980 1.86518864971788 1981 1.86422755530436 1982 1.87340429059319 1983 1.88827484513455 1984 1.90254455590259 1985 1.91527090186338 1986 1.92755020003308 1987 1.93877256779425 1988 1.95089089822019 1989 1.96874684185097 1990 1.99342582091278 1991 2.02563646041391 1992 2.06557727760278 1993 2.10915202568495 1994 2.15099307176252 1995 2.18920066823805 1996 2.22603723448229 1997 2.26222324308921 1998 2.29693598584024 1999 2.32885883505135 2000 2.35828187852169 2001 2.385475066187 2002 2.41051261188433 2003 2.43668243063274 2004 2.46912510846914 2005 2.51423018428275 2006 2.57507261457103 2007 2.65237226264615 2008 2.75572977104775 2009 2.87738595449986 2010 2.99486733583311 2011 3.10076740525641 2012 3.19414773747479 2013 3.27719228134767 2014 3.35160432670603 2015 3.41771252535622 2016 3.47602894116712 2017 3.53133256651339 2018 3.57907222339117 2019 3.62347133816725 2020 3.66810255095655 2021 3.70088496651496 2022 3.73327257816968 2023 3.77730337979595