Year % of female population 1960 4.04011195665399 1961 4.06173569693866 1962 4.10386247194261 1963 4.15063221190959 1964 4.21798073979617 1965 4.31573218103 1966 4.4179419147699 1967 4.50127707184528 1968 4.57542913708575 1969 4.63885328828716 1970 4.70174778291486 1971 4.77384658058534 1972 4.85649974619567 1973 4.93017975932198 1974 4.99748939219815 1975 5.05828983219838 1976 5.11094557916772 1977 5.14854599925309 1978 5.18262698979148 1979 5.23321989620164 1980 5.28986999678508 1981 5.29775381287521 1982 5.29052135828246 1983 5.30098236781201 1984 5.27679290559896 1985 5.09822051855117 1986 4.72278844441601 1987 4.25425345962162 1988 3.782307848045 1989 3.48980632046566 1990 3.57938568015909 1991 3.98173038108679 1992 4.4740058934852 1993 4.96456972204143 1994 5.30779900555644 1995 5.39896142683903 1996 5.31725399868623 1997 5.14997481372346 1998 4.95359591779381 1999 4.77064660063551 2000 4.61951591071764 2001 4.49821135795836 2002 4.40444916572736 2003 4.31314028185621 2004 4.20187881674803 2005 4.07602184676657 2006 3.96633301931229 2007 3.88841908447663 2008 3.8739646990755 2009 4.11867507411207 2010 4.58672819813599 2011 5.02220319100787 2012 5.31146707436387 2013 5.46851896375721 2014 5.40863568644221 2015 5.03356492974089 2016 4.64732747954468 2017 4.55833008442176 2018 4.63272724035159 2019 4.67376766999672 2020 4.79649885948398 2021 4.94199753849699 2022 4.94512395310252 2023 4.90633104064157