Year % of female population 1960 1.74833157557298 1961 1.7272458486855 1962 1.69050012651172 1963 1.65827696679247 1964 1.66030343966123 1965 1.69982578350177 1966 1.76720402060655 1967 1.85943981652094 1968 1.96290662425487 1969 2.05540417955143 1970 2.12416865224941 1971 2.17825019037368 1972 2.21974262916825 1973 2.23154265281158 1974 2.19630058342696 1975 2.11603576892643 1976 1.99055571920446 1977 1.81906580219837 1978 1.6349577378405 1979 1.48530389035468 1980 1.38077827279523 1981 1.31772129073959 1982 1.29982256707132 1983 1.30484424746484 1984 1.29615282122595 1985 1.26543384454588 1986 1.21613423712814 1987 1.14969002916233 1988 1.08480846442177 1989 1.04993361728009 1990 1.05451493572709 1991 1.09110560710217 1992 1.15537393927986 1993 1.2376185820747 1994 1.32325287089362 1995 1.40342738045233 1996 1.481915979119 1997 1.56101912786444 1998 1.63388592730419 1999 1.69106665892038 2000 1.73208171230977 2001 1.75438179655045 2002 1.75418909458105 2003 1.74323394737332 2004 1.73858538576097 2005 1.73924355542209 2006 1.7473640118149 2007 1.76682379404856 2008 1.7814347242003 2009 1.7660675083344 2010 1.71521075486822 2011 1.63861506736604 2012 1.54178789428079 2013 1.43568899129355 2014 1.33815226514145 2015 1.26090977379601 2016 1.2053924189755 2017 1.17746397780087 2018 1.1813614675412 2019 1.22409612325674 2020 1.32654105986073 2021 1.46594548518897 2022 1.60929153016064 2023 1.75280734860881