Year % of male population 1960 24.671887523751 1961 24.8087089133081 1962 24.8334763719739 1963 24.880341072457 1964 24.9450494014889 1965 25.0038432050453 1966 25.0359158861113 1967 25.0096010204452 1968 24.922099832784 1969 24.8030186534644 1970 24.6669291782232 1971 24.5172169887863 1972 24.3167399913772 1973 24.0353240837992 1974 23.6729279343669 1975 23.2711105636896 1976 22.8580939357066 1977 22.439521319479 1978 22.0201223038556 1979 21.5906470401073 1980 21.192594458753 1981 20.8535621225376 1982 20.5566149608373 1983 20.2876012672485 1984 20.0223536635603 1985 19.7441753553859 1986 19.4795701221393 1987 19.2544964352195 1988 19.090521316503 1989 19.0010209757654 1990 18.9793851314479 1991 18.9943777028748 1992 19.0048968459998 1993 18.9870556064215 1994 18.9196499544049 1995 18.8171660113276 1996 18.7100468534386 1997 18.6134420987701 1998 18.5330678258531 1999 18.4652058008584 2000 18.4149551955366 2001 18.3541419667964 2002 18.2608600369829 2003 18.1493665769531 2004 18.0342819704481 2005 17.9200487740384 2006 17.8021657929262 2007 17.6966095861164 2008 17.6389207419257 2009 17.6321240503289 2010 17.6528879499118 2011 17.6722797587578 2012 17.6779784447109 2013 17.6836118455072 2014 17.6846655759855 2015 17.6661459458937 2016 17.6354362645533 2017 17.6078115493416 2018 17.5717068677367 2019 17.5010474854801 2020 17.4025329825289 2021 17.2840155226514 2022 17.1170020662233 2023 16.9062309268029