Year % of male population 1960 4.49357133642214 1961 4.44537741242453 1962 4.38402871391256 1963 4.32101986439639 1964 4.26208807350806 1965 4.20191158190242 1966 4.13297095478241 1967 4.05694148325326 1968 3.98770169502924 1969 3.94976550357498 1970 3.9935842380294 1971 4.11323557829012 1972 4.23402584003988 1973 4.32033277335081 1974 4.36202510987189 1975 4.36726362464055 1976 4.34804750188679 1977 4.33883786323043 1978 4.32112490295149 1979 4.28811902041298 1980 4.30729181657409 1981 4.35946532692362 1982 4.40938870582003 1983 4.48934594908203 1984 4.60226914005515 1985 4.68370144078317 1986 4.76094517203347 1987 4.88674441700346 1988 5.04475786876977 1989 5.21515827802901 1990 5.3475008870987 1991 5.46998969168288 1992 5.63098618788798 1993 5.75475228694544 1994 5.84414249709774 1995 5.94309625396066 1996 5.97548819529478 1997 5.93496284820839 1998 5.89497541407371 1999 5.8733346465714 2000 5.84792116155212 2001 5.89589853365692 2002 6.02875276361923 2003 6.13044179003388 2004 6.18869765344067 2005 6.26470972713952 2006 6.32947476828012 2007 6.35737323831726 2008 6.40517356413261 2009 6.45112875085575 2010 6.48691684760119 2011 6.52618384716375 2012 6.54687060630931 2013 6.54778201148484 2014 6.55542115939437 2015 6.58955950900016 2016 6.64371204383803 2017 6.70313065488727 2018 6.71600385874408 2019 6.67186500383949 2020 6.60632674394415 2021 6.54960874130762 2022 6.51678025368619 2023 6.50361353458404