Year % of relevant age group 2005 45.411319732666 2006 45.9287910461426 2007 47.6778106689453 2008 47.1377410888672 2009 47.0600509643555 2010 49.6570014953613 2011 47.4739990234375 2012 50.4080009460449 2013 50.6040000915527 2014 51.1450004577637 2016 51.851001739502 2018 55.6599998474121 2019 58.3580017089844 2021 62.7410011291504