Annual % female
1973 38.8674812316895
1974 38.856201171875
1975 38.4306793212891
1976 38.9971809387207
1977 36.9658813476562
1978 40.8372001647949
1979 40.618350982666
1980 39.6134910583496
1981 39.8276214599609
1982 39.3922882080078
1983 39.4542694091797
1984 40.5853385925293
1985 43.017448425293
1986 43.984619140625
1987 45.15625
1988 46.2480316162109
1989 46.7522201538086
1990 47.638500213623
1991 48.1504592895508
1992 48.7387504577637
1993 49.4903717041016
1994 50.1393699645996
1995 50.6838417053223
1996 51.3734588623047
1997 51.949821472168
1998 52.6463584899902
1999 53.2715606689453
2000 53.9931488037109
2001 54.5407218933105
2002 55.3259315490723
2003 56.4660110473633
2004 56.7339782714844
2005 58.5834312438965
2006 58.8931083679199
2007 58.9169387817383
2008 59.8517913818359
2009 60.7807502746582
2010 61.4461212158203
2011 62.0971717834473
2012 62.6590881347656
2013 63.1353797912598
2014 63.8950119018555
2015 65.1952133178711
2016 66.0125274658203
2017 67.8294830322266
2018 69.3348617553711
2019 70.0729293823242
2020 70.8202972412109
2021 71.6118011474609
2022 72.2276306152344