Year % of female population 1960 5.43731074735595 1961 5.45868746166652 1962 5.46407834301066 1963 5.55011287643225 1964 5.70280115563372 1965 5.7265097910153 1966 5.71520957115719 1967 5.72732685056559 1968 5.63786650031191 1969 5.47252241894688 1970 5.35256893174627 1971 5.20074349442379 1972 5.08880536517061 1973 5.18640350877193 1974 5.35746671986652 1975 5.53573359282084 1976 5.75807491226814 1977 5.8869589977221 1978 5.85714791600269 1979 5.75004406839415 1980 5.59477399641766 1981 5.37758638798446 1982 5.2268831123395 1983 5.08432974508222 1984 4.95669928888263 1985 4.9265616705008 1986 4.85423052248913 1987 4.7672159458876 1988 4.79915587250764 1989 4.85000368541314 1990 4.88571321686431 1991 4.97593511956645 1992 5.02672580461731 1993 5.01540311067699 1994 5.08247384294597 1995 5.20132988548208 1996 5.1798244002792 1997 4.97990500548045 1998 4.66831359441982 1999 4.52590102302715 2000 4.8424233702691 2001 5.4556548580453 2002 6.00163940268719 2003 6.4381153305204 2004 6.6315205327414 2005 6.39526934645885 2006 6.13943457896688 2007 6.07611766661127 2008 6.01010432386327 2009 5.93072191647782 2010 5.84479841670125 2011 5.88235294117647 2012 6.01081013916501 2013 6.12880352683664 2014 6.25826897633919 2015 6.34798883195778 2016 6.4550718421617 2017 6.5968714604953 2018 6.70906978166473 2019 6.75485763167542 2020 6.85316393843147 2021 6.97468199608611 2022 6.99446195269712 2023 6.98257413634974