Year % of female population 1960 1.886336133352 1961 1.87172264991704 1962 1.84955400127066 1963 1.83436288412426 1964 1.83594096916109 1965 1.85600989047735 1966 1.89741229499223 1967 1.96126835629216 1968 2.0474137103985 1969 2.15432773609713 1970 2.27408503727098 1971 2.39607258049538 1972 2.50176418866202 1973 2.57331106657544 1974 2.60424443657378 1975 2.60327199630063 1976 2.5815862429233 1977 2.55498376187479 1978 2.54949145018139 1979 2.5819096258088 1980 2.65244097751723 1981 2.75216704241472 1982 2.86441258874656 1983 2.95083860806943 1984 2.96779719843395 1985 2.89358527444624 1986 2.74960582808095 1987 2.58586413116905 1988 2.46601136532296 1989 2.45169072186268 1990 2.56000729839089 1991 2.76565217436938 1992 3.02436308814349 1993 3.26416759985736 1994 3.42278355015785 1995 3.50331412922771 1996 3.53241914799785 1997 3.54924170750068 1998 3.58786262087362 1999 3.64285895483127 2000 3.67640406467433 2001 3.66349984995481 2002 3.6137361921273 2003 3.53351232192326 2004 3.47101106019471 2005 3.46213412481395 2006 3.4970554322207 2007 3.56381042462443 2008 3.63731703536836 2009 3.6836567533284 2010 3.69075512927107 2011 3.7006974483075 2012 3.70676780182899 2013 3.64583435029566 2014 3.4723459514281 2015 3.20677140543258 2016 2.93839921809821 2017 2.75590232507524 2018 2.88732084528709 2019 3.42787388273139 2020 4.14586514220786 2021 4.77964047692256 2022 4.91461346793394 2023 4.90065698211119