Year % of lower secondary school age 1992 38.3005905151367 1993 34.4973297119141 1994 31.5953502655029 1997 27.4058895111084 1998 26.4407901763916 1999 28.2957592010498 2000 29.675630569458 2001 30.3895206451416 2002 27.8966197967529 2003 27.423490524292 2004 26.0786304473877 2005 25.5051403045654 2006 24.1651000976562 2007 24.3319892883301 2008 22.0549697875977 2009 20.8349800109863 2010 26.2071094512939 2011 26.6637001037598 2012 25.5949993133545 2013 24.6830005645752 2014 21.298999786377 2015 20.0739994049072 2016 23.951000213623 2017 22.7859992980957 2018 25.4990005493164 2019 27.8659992218018 2020 30.4330005645752 2021 31.8080005645752 2022 34.4529991149902