Year % of female population 1960 5.52242252782085 1961 5.92978387145658 1962 6.42903213939743 1963 6.94094277498232 1964 7.38826888502675 1965 7.67635732369001 1966 7.79621114375222 1967 7.82113298207874 1968 7.7568577005176 1969 7.60180595075615 1970 7.42629717558359 1971 7.29011157825448 1972 7.20670003964319 1973 7.16997548496713 1974 7.15762719504103 1975 7.12820387640162 1976 7.04295318716815 1977 6.89119858928937 1978 6.67388842406841 1979 6.41743882838654 1980 6.18700052686004 1981 6.02712846233215 1982 5.94428589046068 1983 5.93950086268289 1984 6.00897159639224 1985 6.1628839709148 1986 6.39979280639504 1987 6.66561503950561 1988 6.92510292512861 1989 7.15872207030303 1990 7.27830312981263 1991 7.23608718672469 1992 7.12986477213131 1993 7.03173465039754 1994 6.91971238398723 1995 6.84571683200568 1996 6.86020106917553 1997 6.89031649264476 1998 6.87663705708234 1999 6.83930706502295 2000 6.81114374002325 2001 6.78368466587091 2002 6.73885343230265 2003 6.69389192429729 2004 6.66475527219153 2005 6.57561464069549 2006 6.39411078166945 2007 6.21666754697928 2008 6.18884953961858 2009 6.28735685206598 2010 6.41043299053216 2011 6.5604090526401 2012 6.68299868869181 2013 6.71551603655364 2014 6.75256954730864 2015 6.85708119054386 2016 7.00231052905129 2017 7.20704579627053 2018 7.32683621652098 2019 7.26930906132047 2020 7.14491917059938 2021 7.01601629092681 2022 6.90410933806181 2023 6.83485031318692