Year % of primary school age 1970 17.0403594970703 1971 16.6831398010254 1972 16.1257991790771 1973 15.3202104568481 1974 14.7286796569824 1975 14.6271495819092 1976 13.890830039978 1977 12.8938598632813 1978 12.2957897186279 1979 10.5866603851318 1980 10.101300239563 1981 8.87067031860352 1982 8.67615032196045 1983 8.68118000030518 1984 8.82221031188965 1985 8.34961032867432 1986 8.62728977203369 1987 8.60647964477539 1988 8.96922969818115 1989 9.77818965911865 1990 9.29399967193604 1991 8.97113037109375 1992 8.22163963317871 1993 7.91515016555786 1994 8.49730014801025 1995 8.59937953948975 1996 8.14809036254883 1997 9.00144958496094 1998 5.78893995285034 1999 4.32944011688232 2000 3.6887800693512 2001 3.6279399394989 2002 3.52034997940063 2003 3.54484009742737 2004 3.88193011283875 2005 2.71795988082886 2006 3.74673008918762 2007 3.49833011627197 2008 2.32002997398376 2009 2.42473006248474 2010 2.80743 2011 2.91276 2012 2.91546 2013 3.09589 2014 3.29057 2015 3.19511 2016 3.18136 2017 3.03823 2018 3.77594