Year % of female population 1960 7.16425240209794 1961 6.96684084174073 1962 6.9619284086087 1963 7.14237829009723 1964 7.44816714942751 1965 7.80981640762578 1966 8.16291724264064 1967 8.46149367933322 1968 8.6719802332164 1969 8.75167770352556 1970 8.72572652121308 1971 8.64636700836393 1972 8.4702981982419 1973 8.17751924638544 1974 7.75500059070361 1975 7.19921236206668 1976 6.58473937600923 1977 6.18237406831888 1978 6.0314922437582 1979 5.94236115254627 1980 5.8644474897046 1981 5.79189890363205 1982 6.18815027645074 1983 7.05059083740844 1984 7.8173851888398 1985 8.41445474180227 1986 8.90740031510032 1987 8.86475281321964 1988 8.31623068110654 1989 7.97194443048554 1990 7.91494995382598 1991 7.99451580234397 1992 8.13457976771556 1993 8.25624487778047 1994 8.25426603235316 1995 8.14770021068835 1996 8.02365339434051 1997 7.80998270605081 1998 7.52490320407351 1999 7.29617735332356 2000 7.16334196059656 2001 7.15252371688938 2002 7.25975250080351 2003 7.3789041203736 2004 7.43988417952938 2005 7.33059910876307 2006 7.01245676781364 2007 6.57947456706989 2008 6.12591575029058 2009 5.71967284290217 2010 5.4225837255791 2011 5.26524691285816 2012 5.19852025408005 2013 5.17836754434118 2014 5.17265993044672 2015 5.15852908647678 2016 5.13626971442026 2017 5.09353915644046 2018 5.03980218453706 2019 4.99424668388906 2020 4.99136973551625 2021 5.03637948329259 2022 5.2554229610339 2023 5.38322311783309