Annual % female
1970 38.2525787353516
1971 38.1374092102051
1972 37.910228729248
1973 38.2147789001465
1974 38.3323287963867
1975 38.3486785888672
1976 38.2925300598145
1977 39.4188003540039
1978 39.6445617675781
1979 40.3146781921387
1980 41.6843490600586
1981 42.7736511230469
1982 43.3252906799316
1983 45.2778396606445
1984 45.9781303405762
1985 46.5817718505859
1986 47.6463508605957
1987 48.1664581298828
1988 48.3705215454102
1989 48.7307014465332
1990 49.5492706298828
1991 49.7308502197266
1992 50.3017692565918
1993 50.4324188232422
1994 50.9890899658203
1995 51.1869316101074
1996 51.2696495056152
1997 50.5303497314453
1998 50.9081993103027
1999 51.7542304992676
2000 52.2206687927246
2001 53.065559387207
2002 53.8630714416504
2003 54.2789611816406
2004 54.9078216552734
2005 55.3829803466797
2006 56.1768608093262
2007 56.6879615783691
2008 56.4167518615723
2009 56.1453399658203
2010 56.7621383666992
2011 57.4367408752441
2012 58.2897911071777
2013 59.1186599731445
2014 59.9904594421387
2015 60.7732810974121
2016 61.3758697509766
2017 62.2104988098145
2018 62.9080696105957
2019 63.7523307800293
2020 63.7421188354492
2021 64.1582870483398
2022 65.071159362793