Year % of lower secondary school age 1977 26.4838008880615 1978 24.7361907958984 1979 22.1235809326172 1980 21.1747207641602 1981 18.5864906311035 1983 14.82958984375 1984 14.0288600921631 1985 13.4205503463745 1996 12.877610206604 2001 7.49673986434937 2002 6.55238008499146 2003 7.77456998825073 2004 5.80038976669312 2005 6.80601978302002 2006 4.54120016098022 2007 4.47069978713989 2008 4.04031991958618 2009 4.42702007293701 2010 4.05875015258789 2011 2.79584002494812 2012 1.38996994495392 2013 1.20528995990753 2014 0.820389986038208 2015 0.445340007543564 2016 0.895609974861145 2017 3.92945003509521 2018 1.38300001621246 2019 2.5042200088501 2020 3.41112995147705 2021 5.34075021743774 2022 0.685540020465851