Year % of relevant age group 2005 62.7720909118652 2006 60.1827201843262 2007 58.7038688659668 2008 58.3466911315918 2009 58.6242294311523 2010 60.9070014953613 2011 58.2630004882812 2012 59.9949989318848 2013 60.9700012207031 2014 62.3330001831055 2016 63.4860000610352 2018 68.1620025634766 2019 68.3759994506836 2021 73.4720001220703