Year % of female population 1960 8.38992000760939 1961 8.40963787697727 1962 8.3575346600415 1963 8.24689918166632 1964 8.01448098840377 1965 7.65984695809015 1966 7.32462977551468 1967 7.05322598602585 1968 6.81312763377702 1969 6.61424089221666 1970 6.60185892763054 1971 6.67646463041619 1972 6.70229979962859 1973 6.73697833901311 1974 6.75867311179254 1975 6.77831479437016 1976 6.76534542526162 1977 6.69603881732742 1978 6.58890369886964 1979 6.54612546602921 1980 6.54831899813364 1981 6.52546451055123 1982 6.52802994127177 1983 6.58793431053649 1984 6.67504871063554 1985 6.7432814899618 1986 6.81303841088655 1987 6.85263118543786 1988 6.77619517303597 1989 6.63116563386375 1990 6.4584021071805 1991 6.22327882867879 1992 5.96177369750033 1993 5.67672526494333 1994 5.36501452060352 1995 5.07196188181339 1996 4.79170743769221 1997 4.53517875913726 1998 4.31561693069086 1999 4.11649258535909 2000 3.93955284651514 2001 3.7638793469013 2002 3.63605578125243 2003 3.6398598825647 2004 3.7203004317862 2005 3.81621787134253 2006 3.96185680910791 2007 4.14909887766941 2008 4.34851774716988 2009 4.54650756467832 2010 4.71832160728619 2011 4.84789605719877 2012 4.94992481075336 2013 5.00701116537679 2014 4.99470286168694 2015 4.92773817037964 2016 4.80481522150374 2017 4.61123380556304 2018 4.35369962493974 2019 4.08647935412203 2020 3.87409095705643 2021 3.72470769655779 2022 3.44174092512496 2023 3.13289220271164