Year % of male population 1960 25.4093105517481 1961 25.4480524151336 1962 25.4321772982876 1963 25.3091757999362 1964 25.0695482273335 1965 24.7764348868429 1966 24.4990504188314 1967 24.2690412404573 1968 24.1139093617103 1969 23.9677826966341 1970 23.8078032701819 1971 23.6827813919711 1972 23.5455173519979 1973 23.3491229496941 1974 23.1303303123177 1975 22.9169285319181 1976 22.6991339344426 1977 22.5022239886312 1978 22.3573795757435 1979 22.286814586503 1980 22.304957359855 1981 22.3670266935481 1982 22.4427583855882 1983 22.5649747382806 1984 22.6975732138857 1985 22.7757325890586 1986 22.8275350023805 1987 22.8913155852657 1988 22.9681357839535 1989 23.0199628289734 1990 23.0461709919444 1991 23.0485995132119 1992 22.9998448221299 1993 22.8927577553149 1994 22.7213253007018 1995 22.4475371089333 1996 22.0336032336325 1997 21.4966481004152 1998 20.8365730229748 1999 20.113688458609 2000 19.4177175660497 2001 18.7090431285381 2002 17.9859493832638 2003 17.3532404830358 2004 16.8142652624802 2005 16.3444149897045 2006 15.9826488504814 2007 15.7455315145814 2008 15.6620064130619 2009 15.6828088742383 2010 15.7354205973016 2011 15.836716242771 2012 16.0066748955513 2013 16.2372025512464 2014 16.459295139723 2015 16.6616901548891 2016 16.9037315080592 2017 17.1501407007615 2018 17.3111840076261 2019 17.4157986165088 2020 17.4595546738721 2021 17.4371945557478 2022 17.3640044290699 2023 17.2190811743655