Year % of male population 1960 2.6490078633399845 1961 2.674536444431577 1962 2.696028677922525 1963 2.7404391809451814 1964 2.785428349280317 1965 2.812267365359226 1966 2.8433634477557006 1967 2.8838280849396773 1968 2.896955209021354 1969 2.9046368100312256 1970 2.9040165430221836 1971 2.887970273758273 1972 2.8743946808539373 1973 2.851385601766857 1974 2.8015980255160655 1975 2.7010097492737786 1976 2.544535355337692 1977 2.3600645683561225 1978 2.2190069328407795 1979 2.1362952594659537 1980 2.1013556982521218 1981 2.1509536028187406 1982 2.261680874897685 1983 2.392867901201449 1984 2.543404402206257 1985 2.724229255781775 1986 2.92716622313153 1987 3.1524574641932146 1988 3.3792424412176647 1989 3.558882282004155 1990 3.6728234184044095 1991 3.706856767656167 1992 3.64808039499459 1993 3.5107062879087274 1994 3.362843341264914 1995 3.279987549544542 1996 3.29272338954969 1997 3.4079760097480327 1998 3.580501216011699 1999 3.726265384305901 2000 3.776797008057064 2001 3.7259194275151617 2002 3.5560291711938077 2003 3.290925747023394 2004 3.0304408844404698 2005 2.815681777105059 2006 2.6952658848168376 2007 2.7107254503521694 2008 2.843315878275441 2009 3.0580322940655122 2010 3.3008521423231083 2011 3.494232075282516 2012 3.605609021687678 2013 3.713465875165587 2014 3.807356539977251 2015 3.8595439459134684 2016 3.9328434864763095 2017 4.049795258400329 2018 4.153335833766306 2019 4.245172717350517 2020 4.369806596597056 2021 4.486323440291378 2022 4.5974739140895196 2023 4.723768824595261