Year % of relevant age group 1994 39.9105415344238 2000 41.525218963623 2003 31.6400299072266 2005 33.8272285461426 2008 32.6669692993164 2009 34.4448394775391 2010 35.8070487976074 2011 35.2464714050293 2012 37.4752311706543 2015 37.4382591247559