Year % of male population 1960 18.3229756648965 1961 18.283408399646 1962 18.1794986403718 1963 18.0263885331298 1964 17.8335993625688 1965 17.6523743314977 1966 17.5304280707704 1967 17.4543251019422 1968 17.3949884639124 1969 17.3426748684949 1970 17.2745576432534 1971 17.1744471304848 1972 17.0267729052302 1973 16.852778749348 1974 16.7080718313646 1975 16.6122151120246 1976 16.6339396925902 1977 16.7828429901778 1978 17.0076659064022 1979 17.3060538227363 1980 17.6301964244119 1981 17.6275817287436 1982 17.6463954884845 1983 17.9129969462379 1984 18.0413039396962 1985 18.0399573291617 1986 17.9396239770192 1987 17.662507118369 1988 17.2085266841476 1989 16.6454319870942 1990 15.8891324427655 1991 15.147974307987 1992 14.5427160926402 1993 13.9925033632172 1994 13.2867592937307 1995 12.3425972751882 1996 11.3040716913119 1997 10.2589205448848 1998 9.33974576478823 1999 8.65664459080986 2000 8.21647792581419 2001 7.9507393083163 2002 7.82355161003644 2003 7.74407171655482 2004 7.67302356993943 2005 7.63815894322192 2006 7.64465168151641 2007 7.70899311919101 2008 7.83127697378309 2009 7.98326618492054 2010 8.14171531103327 2011 8.31227112995477 2012 8.50560215935018 2013 8.71572381866904 2014 8.93208695484826 2015 9.09935477465226 2016 9.20131104685588 2017 9.23986982131214 2018 9.14821582453158 2019 8.86337478192728 2020 8.43912719924674 2021 7.96955179486917 2022 7.47860667633279 2023 7.01965655427131