Year % of relevant age group 1971 9.34904956817627 1972 10.1150598526001 1974 9.58792972564697 1975 9.87254047393799 1985 17.865930557251 1988 16.1879501342773 1989 15.6962795257568 1990 15.1571397781372 1991 14.2976999282837 1994 11.5947599411011 1996 12.9081697463989 2000 12.9941701889038 2001 12.4415397644043 2002 12.6199598312378 2003 13.6296701431274 2004 14.7982702255249 2005 17.2272605895996 2006 18.9592208862305 2007 21.03297996521 2008 23.4715099334717 2009 25.4317092895508 2010 27.2469902038574 2011 30.0108203887939 2012 32.2322807312012 2013 36.7994194030762 2014 36.3159599304199 2015 37.3430595397949 2016 35.694751739502 2017 36.3181381225586 2018 36.5870590209961 2019 34.9260902404785 2020 31.5060005187988 2021 34.4819984436035 2022 32.7560005187988