Year % of male primary school age 1970 48.6614418029785 1971 47.674388885498 1972 45.0917510986328 1973 42.7274398803711 1974 43.1196403503418 1975 41.9132308959961 1976 40.6321105957031 1977 39.5885810852051 1978 38.7876091003418 1979 38.4516792297363 1980 37.7146682739258 1981 37.3818511962891 1982 37.6245498657227 1983 37.0688285827637 1984 38.2224617004395 1985 38.6712989807129 1986 38.9871788024902 1987 39.4058799743652 1988 38.3368682861328 1989 38.8613510131836 1990 39.7385597229004 1991 38.6896514892578 1992 38.8598213195801 1993 38.9755706787109 1994 38.2849617004395 1995 36.6325492858887 1996 36.3946914672852 1997 34.7140693664551 1998 34.8119087219238 1999 35.3888816833496 2000 33.2324485778809 2001 31.4448795318604 2002 28.7243099212646 2003 26.4215297698975 2004 24.5994606018066 2005 22.3449401855469 2006 20.669340133667 2007 19.5459804534912 2008 17.3179302215576 2009 17.2037906646729 2010 17.65831 2011 16.6733 2012 16.50677 2013 16.17627 2014 15.75195 2015 15.81127 2016 15.6638 2017 15.24918 2018 15.30976