Year % of female population 1960 1.9045146080026811 1961 1.9030343745160276 1962 1.8926835877266546 1963 1.8632664448383325 1964 1.8303906756077322 1965 1.8148459726262778 1966 1.823401384597094 1967 1.8474613329039247 1968 1.877421438267349 1969 1.9086540797832283 1970 1.931365512510736 1971 1.9404184604860735 1972 1.9370548780905639 1973 1.9298776770324366 1974 1.930756651907004 1975 1.931674063334819 1976 1.925059464951254 1977 1.9244899838254184 1978 1.93903815153023 1979 1.96236982124604 1980 1.987060392427619 1981 2.0142083459302835 1982 2.038778165512457 1983 2.048339812788942 1984 2.049360826765184 1985 2.0606784232781847 1986 2.0788054571317147 1987 2.0952391056974236 1988 2.1210817488779563 1989 2.1612518195324673 1990 2.1981770762438875 1991 2.222469381207657 1992 2.2520771359419047 1993 2.2957099868346313 1994 2.3331738548782397 1995 2.368976677273399 1996 2.4148024494983855 1997 2.4646140786380344 1998 2.521417260454802 1999 2.582788473524661 2000 2.6389184121362335 2001 2.6903442134765583 2002 2.7280371619319386 2003 2.738914879409913 2004 2.730852121189812 2005 2.724559593161027 2006 2.732229225919165 2007 2.7454191185392562 2008 2.757903345178326 2009 2.784946269183096 2010 2.829594514245881 2011 2.8927632478599574 2012 2.985466623770046 2013 3.11903014952098 2014 3.290572561889946 2015 3.5093726269411545 2016 3.7418390620131445 2017 3.996449837360873 2018 4.254515042451239 2019 4.476582390806196 2020 4.664911409606154 2021 4.79764755354382 2022 4.899938997605842 2023 4.95465326076465