Year % of male population 1960 18.3445368504299 1961 18.4091872903591 1962 18.4689651340683 1963 18.540254072169 1964 18.6280088669258 1965 18.7110096463247 1966 18.7797336792491 1967 18.8414594615708 1968 18.8920851143202 1969 18.9178714881822 1970 18.9061596934344 1971 18.865082304264 1972 18.8138185025561 1973 18.7808203031704 1974 18.7840630904072 1975 18.8155932201475 1976 18.7533272340251 1977 18.7332980855216 1978 18.9228526542443 1979 19.2429684865754 1980 19.6477521135494 1981 20.0164530522592 1982 20.242956394419 1983 20.3389419891638 1984 20.3246854587985 1985 20.2011600737747 1986 19.9985908219989 1987 19.6341979709107 1988 18.9452317257076 1989 18.4414220635067 1990 18.3347232863648 1991 18.3090769090812 1992 18.349808337571 1993 18.3541370796131 1994 18.259016580154 1995 18.1407520634201 1996 18.0492079595632 1997 17.9916527772132 1998 18.0156618184139 1999 18.1387662333765 2000 18.2866179671179 2001 18.3912792090554 2002 18.3833472813867 2003 18.2626530113172 2004 18.0931150701724 2005 17.8924254243493 2006 17.6828531880538 2007 17.4676693426809 2008 17.2427437371887 2009 17.0245986148453 2010 16.8260680467826 2011 16.7089283977406 2012 16.6398002781518 2013 16.5332257905653 2014 16.368162442574 2015 16.1577470115859 2016 15.955686688788 2017 15.7934470969781 2018 15.6527571593778 2019 15.5139599009012 2020 15.3835121537755 2021 15.258500067086 2022 15.1135796876242 2023 14.9624123937961