Year % of female population 1960 1.14208430385453 1961 1.16043162730935 1962 1.22074729699097 1963 1.30591251224996 1964 1.38733209236806 1965 1.44998941396921 1966 1.50465866593544 1967 1.55474668730236 1968 1.58739989602512 1969 1.59081273387528 1970 1.56570511950089 1971 1.51029894778772 1972 1.42509018176101 1973 1.33368124520405 1974 1.26569852070004 1975 1.19940004887995 1976 1.13250583053462 1977 1.09552083896073 1978 1.07846590051497 1979 1.07256986060947 1980 1.08855362098935 1981 1.14293323272562 1982 1.21097380252681 1983 1.25974302173775 1984 1.28546167212683 1985 1.28705996014733 1986 1.26541486480065 1987 1.22594754525998 1988 1.17606983424529 1989 1.12153492992687 1990 1.07409375060215 1991 1.07659660222866 1992 1.11983841114942 1993 1.16356382978723 1994 1.20840632727114 1995 1.25400858625566 1996 1.29853304632066 1997 1.33804768128131 1998 1.36594644109281 1999 1.37256231054728 2000 1.35529573815654 2001 1.32171415486126 2002 1.28725667812375 2003 1.27399465469176 2004 1.32002718755183 2005 1.44399978419344 2006 1.60439388189483 2007 1.76296712288234 2008 1.92564067497779 2009 2.11730699747079 2010 2.31472879768593 2011 2.43551648999636 2012 2.47375549525956 2013 2.4762131094153 2014 2.46087131873265 2015 2.43911727023317 2016 2.40262310381175 2017 2.34239321346146 2018 2.25950050337809 2019 2.15818623739889 2020 2.04662939956642 2021 1.93521677440184 2022 1.84379889508982 2023 1.78066331320657