Year % of lower secondary school age 1992 58.4977188110352 1993 58.6190490722656 1994 59.3202209472656 1995 57.7776298522949 1996 57.4456787109375 1997 57.0508804321289 1998 57.9324188232422 1999 56.5718002319336 2000 55.5457000732422 2001 54.3902206420898 2002 51.4615783691406 2003 49.4122085571289 2004 47.7688217163086 2005 46.4586486816406 2006 44.498851776123 2007 43.4017791748047 2008 41.6578102111816 2009 41.2929191589355 2010 39.81466 2011 39.76176 2012 38.66609 2013 39.66872 2014 40.68706 2015 40.57472 2016 40.98072 2017 39.79113 2018 40.28669