Year % of male population 1960 4.48056609519797 1961 4.37320729539495 1962 4.27476587953513 1963 4.18551599649746 1964 4.10687425612679 1965 4.03880402587704 1966 3.98141916854306 1967 3.93395768682591 1968 3.89559988702081 1969 3.86375163425416 1970 3.83735216223193 1971 3.8171621440943 1972 3.80228611620362 1973 3.79324052407044 1974 3.79093228093719 1975 3.79617036439511 1976 3.80894659345747 1977 3.82690368603937 1978 3.84780194276878 1979 3.86889200848353 1980 3.88810431884561 1981 3.90503739383338 1982 3.91994701677307 1983 3.93249170877697 1984 3.94157513304865 1985 3.94657458492007 1986 3.9467034353484 1987 3.94216827060879 1988 3.93292751068428 1989 3.91942431712358 1990 3.90113974569103 1991 3.87753838999812 1992 3.85076924927883 1993 3.82161646501268 1994 3.78945648041933 1995 3.75528954564432 1996 3.71995518449567 1997 3.69160597688955 1998 3.66788687844472 1999 3.64115706425576 2000 3.61340607684594 2001 3.58966099379531 2002 3.56230001760255 2003 3.52573162622967 2004 3.48615289554771 2005 3.44357553447041 2006 3.40132087730724 2007 3.35950089468084 2008 3.31649486644493 2009 3.27397149548627 2010 3.23119031457148 2011 3.18687471626431 2012 3.13766088606648 2013 3.08127446860277 2014 3.00585868595707 2015 2.9471919424932 2016 2.92332700079763 2017 2.90425740638257 2018 2.88917793792161 2019 2.8783977804063 2020 2.85813921359269 2021 2.82300791045275 2022 2.78861164688752 2023 2.7721509065984