Year % of female population 1960 4.68545292671412 1961 4.73841828208474 1962 4.7654120673005 1963 4.77714213576336 1964 4.79352433372513 1965 4.81802336077444 1966 4.84738800596162 1967 4.88222519698551 1968 4.9111182458274 1969 4.91560744084399 1970 4.89032630250365 1971 4.84032613340346 1972 4.77068870631198 1973 4.6888945369792 1974 4.60178959536571 1975 4.51374415843081 1976 4.42521777075025 1977 4.33799483340524 1978 4.25852453134982 1979 4.19474331962469 1980 4.15107974161606 1981 4.12781979487051 1982 4.12306425789965 1983 4.14999181770044 1984 4.28903734672936 1985 4.51066148866806 1986 4.72320691985321 1987 4.92418351927586 1988 5.09881816241692 1989 5.17843262429503 1990 5.18401045196631 1991 5.18942319635244 1992 5.19416726458812 1993 5.19689653746139 1994 5.19556483004804 1995 5.18892047195649 1996 5.17781740637393 1997 5.16380660637776 1998 5.14906041975164 1999 5.13681432575583 2000 5.12973144272062 2001 5.13299698807227 2002 5.15097997920328 2003 5.18440944015758 2004 5.23304565283237 2005 5.29724438898876 2006 5.378168503859 2007 5.46412635331501 2008 5.53796525488407 2009 5.59269538933239 2010 5.62604293740155 2011 5.63520685193192 2012 5.62837105570282 2013 5.61798933729935 2014 5.60609123988726 2015 5.58942827650745 2016 5.56384667242405 2017 5.53404290395077 2018 5.50647668277643 2019 5.48652588048603 2020 5.48420544739298 2021 5.50171625550782 2022 5.54003398599952 2023 5.59936029209055