Year % of male population 1960 20.2816069500374 1961 20.2168726634906 1962 20.1118385983968 1963 19.9792178348763 1964 19.8194857076055 1965 19.6528523407054 1966 19.5034400239306 1967 19.0996679942878 1968 18.4828071978727 1969 17.9549955113605 1970 17.5209075620076 1971 17.1910805394313 1972 16.9330047096361 1973 16.7135148988362 1974 16.5597706525469 1975 16.5012484289339 1976 16.5542128190082 1977 16.7145202757563 1978 16.8995904845869 1979 17.0215811013532 1980 17.0603992224773 1981 17.0184481386302 1982 16.9196265191536 1983 16.7999021639613 1984 16.6723311247301 1985 16.5390747508005 1986 16.4357200894569 1987 16.3685610346603 1988 16.2956007956008 1989 16.1855853682354 1990 16.0337431228821 1991 15.8542399704821 1992 15.6263514645359 1993 15.3371078991539 1994 15.0194847658254 1995 14.7145873810473 1996 14.4453101175134 1997 14.2174864378471 1998 14.028110878941 1999 13.8626046698543 2000 13.7056066065513 2001 13.5555156719543 2002 13.4352619519093 2003 13.3739050859004 2004 13.3520089601813 2005 13.3391659285435 2006 13.3421455621547 2007 13.2872919778701 2008 13.2143206279875 2009 13.1915673935968 2010 13.1618523774833 2011 13.1434351575965 2012 13.1081364912607 2013 13.0600653768139 2014 13.035089361178 2015 13.0155369194743 2016 12.9689272115528 2017 12.8724604834282 2018 12.7329474766551 2019 12.5716843715433 2020 12.4222139302364 2021 12.2814467112849 2022 12.1550264110703 2023 12.0354691513578