Year % of lower secondary school age 1974 38.5162200927734 1986 37.936710357666 1987 36.0612297058105 1988 35.2689094543457 1989 36.6313018798828 1990 37.4444618225098 1991 35.087158203125 1992 34.2343711853027 1993 32.071231842041 1997 33.273021697998 1999 22.627010345459 2000 9.35778999328613 2002 5.49902009963989 2003 5.25993013381958 2004 4.5710301399231 2005 4.10043001174927 2006 3.50369000434875 2007 3.08405995368958 2008 2.52670001983643 2009 2.23398995399475 2010 1.72000002861023 2011 1.74852001667023 2012 1.12945997714996 2013 0.968980014324188 2014 0.492870002985001 2015 0.696850001811981 2016 0.954639971256256 2017 0.592060029506683 2018 0.0707499980926514 2019 0.0697100013494492 2020 0.0520900003612041 2021 0.111129999160767