Year % of female population 1960 3.37302558580999 1961 3.35456261053554 1962 3.34656837267267 1963 3.33457285448674 1964 3.31878118611383 1965 3.29931013878661 1966 3.27665935367401 1967 3.25148698189436 1968 3.22465438542366 1969 3.19733349419162 1970 3.17116767520855 1971 3.15177775384342 1972 3.13902701304438 1973 3.12852078936734 1974 3.12006828454038 1975 3.1136498058992 1976 3.10800857272881 1977 3.10730317373245 1978 3.11030106518358 1979 3.10969034569484 1980 3.10536475641962 1981 3.08280677050445 1982 3.03803374004623 1983 2.97932683402161 1984 2.90966338576705 1985 2.8312421627316 1986 2.79083295906885 1987 2.80923852611313 1988 2.86500004536865 1989 2.95509039395205 1990 3.06778916222196 1991 3.18937386058412 1992 3.29098756196396 1993 3.36687150866168 1994 3.4419706026279 1995 3.51765220205622 1996 3.59614003302357 1997 3.70927003849291 1998 3.85750460123465 1999 3.99147265216542 2000 4.10056755096299 2001 4.19475982629667 2002 4.26469713408478 2003 4.29981684295381 2004 4.30757096803643 2005 4.29217779307215 2006 4.25070672666083 2007 4.2024498398343 2008 4.16509812717145 2009 4.15628922882262 2010 4.19257966920085 2011 4.27697372859182 2012 4.39964059328841 2013 4.55035914689881 2014 4.72427062291965 2015 4.90801410127688 2016 5.11438405355572 2017 5.32341031685697 2018 5.48586673100863 2019 5.59193261016691 2020 5.61916380229503 2021 5.55197759276277 2022 5.3846074609516 2023 5.13034493624929