Year % of primary school age 1970 32.222599029541 1971 32.2574691772461 1972 31.1249504089355 1973 28.4580307006836 1974 27.4693202972412 1975 26.099609375 1976 25.3731098175049 1977 25.330680847168 1978 26.5117797851563 1979 26.0962009429932 1980 25.1434192657471 1981 24.115140914917 1982 23.6429290771484 1983 23.2078609466553 1984 22.8125190734863 1985 22.0542907714844 1986 21.2528991699219 1987 21.0067291259766 1988 20.2981204986572 1989 19.5491504669189 1990 19.896520614624 1991 19.4160900115967 1992 19.4822692871094 1993 19.2670593261719 1994 19.1136894226074 1995 19.4363098144531 1996 19.5965003967285 1997 19.3476696014404 1998 18.5514793395996 1999 17.4172992706299 2000 16.519250869751 2001 16.1012802124023 2002 15.6613798141479 2003 14.0321397781372 2004 12.7277603149414 2005 11.7925701141357 2006 11.56130027771 2007 10.1272802352905 2008 9.8033504486084 2009 9.90310001373291 2010 10.01336 2011 9.89413 2012 9.52245 2013 9.22381 2014 9.03245 2015 9.19518 2016 9.04078 2017 9.01475 2018 8.9606