Year % of female population 1960 7.82452336422692 1961 7.74663488092391 1962 7.68797565728159 1963 7.59841005855024 1964 7.50151569668738 1965 7.43196634335691 1966 7.38767216169268 1967 7.37925447633884 1968 7.45096073394555 1969 7.5855047969218 1970 7.73506089639657 1971 7.90009519224128 1972 8.0001456239409 1973 7.9175677746958 1974 7.69903037517836 1975 7.42848925198765 1976 7.15347169642995 1977 6.96372617697908 1978 6.87870970188498 1979 6.85266364026913 1980 6.85468814125599 1981 6.77503080977187 1982 6.57082204856082 1983 6.3593977019601 1984 6.16157601776394 1985 5.92181574720141 1986 5.67923405961384 1987 5.48367495146207 1988 5.29992103849191 1989 5.13532783638108 1990 5.03817191803228 1991 5.0232381562631 1992 5.06843143764143 1993 5.1654091149295 1994 5.31207134422099 1995 5.47386939600555 1996 5.63352127769098 1997 5.80655219902083 1998 5.97338557171907 1999 6.10949286727911 2000 6.21725359335693 2001 6.27501238972407 2002 6.27576908763564 2003 6.23246680810299 2004 6.15609289024639 2005 6.0690363125846 2006 5.99486967501046 2007 5.91930645983303 2008 5.85360767262543 2009 5.80899897993648 2010 5.76291060103886 2011 5.73073884114469 2012 5.72479958223899 2013 5.72448965009745 2014 5.70210176190433 2015 5.66056249858979 2016 5.58197848714369 2017 5.45715856577515 2018 5.30507824452978 2019 5.15595765178623 2020 5.03722305953214 2021 4.98014417333838 2022 4.98152078961916 2023 5.00578806977469