Year % of relevant age group 2004 28.5559902191162 2005 28.8128890991211 2008 34.3626899719238 2009 35.0758094787598 2010 34.7099990844727 2011 34.484001159668 2012 36.4339981079102 2013 38.0579986572266 2014 39.2900009155273 2015 39.7550010681152 2016 41.3380012512207 2017 41.4469985961914 2018 42.9679985046387 2019 43.6370010375977 2021 47.4700012207031