Year % of female population 1960 4.63919394005292 1961 4.61065805653417 1962 4.57935182838658 1963 4.54517018168169 1964 4.50889995696644 1965 4.47066323104664 1966 4.43053499235019 1967 4.38854747438232 1968 4.34515602601517 1969 4.29314466844855 1970 4.23437184012838 1971 4.17756798556515 1972 4.1218165425311 1973 4.06481548813526 1974 4.00580613098341 1975 3.94501561281407 1976 3.88264645635846 1977 3.81857113724424 1978 3.75360285325242 1979 3.68803986486942 1980 3.62154464007448 1981 3.55427916757975 1982 3.48635581127963 1983 3.41926165831455 1984 3.35371555321985 1985 3.28995729991681 1986 3.22823732052265 1987 3.16804197284598 1988 3.10903990435357 1989 3.05161384318592 1990 2.99591338344292 1991 2.94274919056769 1992 2.89395017522038 1993 2.84832063097369 1994 2.80155472884616 1995 2.75346446330628 1996 2.70640193343975 1997 2.66043808687371 1998 2.61788659273242 1999 2.58546498303602 2000 2.56593076263362 2001 2.55688099554894 2002 2.55472526426975 2003 2.54982625193144 2004 2.54246675862653 2005 2.54364507635742 2006 2.54798378938217 2007 2.54710089926681 2008 2.54890699956046 2009 2.5521255397588 2010 2.54547433438091 2011 2.53404611072091 2012 2.52708100990211 2013 2.526241444871 2014 2.53269377835672 2015 2.5476850015798 2016 2.56990896431654 2017 2.59893228456427 2018 2.63253557833198 2019 2.66736582603677 2020 2.7043369502394 2021 2.74367963926556 2022 2.78468974544265 2023 2.82969807761334