Year % of primary school age 1970 29.3004093170166 1971 29.3769092559814 1972 28.1618404388428 1973 25.3661708831787 1974 24.3752403259277 1975 23.0724201202393 1976 22.4636898040771 1977 22.6005191802979 1978 24.0242691040039 1979 23.6401195526123 1980 22.7391395568848 1981 21.6816997528076 1982 21.0222091674805 1983 20.5739994049072 1984 20.0581302642822 1985 19.1133499145508 1986 18.1479301452637 1987 17.6858406066895 1988 16.8313694000244 1989 15.8385400772095 1990 16.033109664917 1991 15.586389541626 1992 15.49351978302 1993 15.1655902862549 1994 15.0796203613281 1995 15.6867704391479 1996 15.8727397918701 1997 15.9031400680542 1998 14.9597101211548 1999 13.554160118103 2000 12.7091903686523 2001 12.4062404632568 2002 12.3327798843384 2003 10.8137502670288 2004 9.7267599105835 2005 8.9851598739624 2006 9.11198997497559 2007 7.69285011291504 2008 7.73434019088745 2009 7.93893003463745 2010 7.97623 2011 8.03352 2012 7.74528 2013 7.44862 2014 7.30999 2015 7.41438 2016 7.22106 2017 7.11017 2018 6.94639