Year % of female population 1960 1.2327588597105614 1961 1.2631384525132592 1962 1.2995809515597068 1963 1.3342031774951129 1964 1.3679919457432594 1965 1.3827445794960893 1966 1.3814281539765705 1967 1.3767716966271297 1968 1.370568679620008 1969 1.3605483180890792 1970 1.3649506365017385 1971 1.383619069214756 1972 1.4022132433210108 1973 1.4267709957474393 1974 1.4596177752563737 1975 1.4932252127261503 1976 1.513157494268707 1977 1.5217432126881867 1978 1.522304357002056 1979 1.515555992282845 1980 1.5035564091789704 1981 1.4995653207244912 1982 1.5121022951907408 1983 1.5262061358809411 1984 1.5373887263122619 1985 1.5492653418454356 1986 1.5594756870030564 1987 1.5627492096200999 1988 1.5579534307736427 1989 1.5468881266864674 1990 1.5163752854441959 1991 1.4609551580657951 1992 1.4035995416499116 1993 1.3602222898856597 1994 1.3282880825256607 1995 1.3116800448274746 1996 1.3299983640024162 1997 1.3764754720578498 1998 1.4262620336528529 1999 1.4806731033538876 2000 1.5366879174196422 2001 1.5817604132104255 2002 1.6192317051408585 2003 1.6558305599329706 2004 1.6945127243553988 2005 1.7304684976384852 2006 1.75591109601742 2007 1.772398756213389 2008 1.7751034061791566 2009 1.7677050254000881 2010 1.770271622724971 2011 1.7863829826414173 2012 1.8159053810284995 2013 1.853260557554523 2014 1.8900150898105093 2015 1.9141229570991722 2016 1.9248697255239524 2017 1.9185853402364736 2018 1.8966417638990702 2019 1.8826740882784117 2020 1.8784649200696626 2021 1.8866642506842948 2022 1.9297813654873628 2023 2.006523577964352