Year % of females ages 15 and above 1972 25.0855293273926 1973 25.5720195770264 1974 26.0783004760742 1975 26.6406593322754 1976 27.4277095794678 1977 27.8789596557617 1978 28.6531600952148 1979 29.4358806610107 1980 30.3654499053955 1981 31.3127098083496 1982 32.2399597167969 1983 33.443920135498 1984 34.5807609558105 1985 35.7770881652832 1986 37.1205787658691 1987 38.1063995361328 1988 39.3382987976074 1989 40.5328712463379 1990 43.4154586791992 1991 45.2373008728027 1992 46.2090301513672 1993 46.7098197937012 1994 47.7297897338867 1995 49.8182716369629 1996 51.8325386047363 1997 52.6530799865723 1998 54.1170310974121 1999 55.5489387512207 2000 56.9714317321777 2001 58.310718536377 2002 59.0013999938965 2003 61.9588317871094 2004 63.0295295715332 2005 63.1661682128906 2006 64.0624084472656 2007 64.4403305053711 2008 65.3175735473633 2009 65.24951171875 2010 66.3156661987305 2011 66.4852600097656 2012 69.5184478759766 2013 66.9064407348633 2014 70.4702377319336 2015 69.2783279418945 2016 70.8509368896484 2017 72.3119277954102 2018 69.0610427856445 2019 69.5580825805664 2020 70.0246810913086 2021 70.4972991943359 2022 71.0048675537109