Year % of male population 1960 6.29576482198867 1961 6.0009437035872 1962 5.80634767198325 1963 5.53423052613729 1964 5.27326062133323 1965 4.96 1966 4.5880790619887 1967 4.25072799874453 1968 4.00658663014896 1969 3.91772652589302 1970 4.05377781272113 1971 4.57672307249846 1972 5.48872004127386 1973 6.56776999654555 1974 7.71739130434783 1975 8.85133934740125 1976 9.89204008244356 1977 10.7768598972538 1978 11.4733709235837 1979 11.9765681039292 1980 12.2928033359162 1981 12.5830197033429 1982 12.9506491505182 1983 13.3004024197496 1984 13.5066513313513 1985 13.4604361806235 1986 13.1836029739175 1987 12.7796452430615 1988 12.2991194060307 1989 11.6960340406961 1990 10.9466346435475 1991 10.0854171930133 1992 9.14039948079121 1993 8.18445444197517 1994 7.43813071596724 1995 7.04880846847786 1996 6.91067111894129 1997 6.88682902759666 1998 6.90354952611039 1999 6.91324923446588 2000 6.84541089570469 2001 6.73607701084804 2002 6.65989875952606 2003 6.60379484405985 2004 6.59896363062463 2005 6.71472396564451 2006 7.00878279005227 2007 7.50935761254426 2008 8.13377422889258 2009 8.80317106879607 2010 9.50453794839475 2011 10.109091041898 2012 10.4339735614587 2013 10.5541558599771 2014 10.56672665154 2015 10.438591686238 2016 10.2199851422854 2017 9.96595286418424 2018 9.68536291813312 2019 9.3884711859686 2020 9.10642048763596 2021 8.77465977423779 2022 8.37358456437463 2023 7.9603890169547