Year % of relevant age group 1999 70.1133422851562 2000 70.3280334472656 2001 70.4488830566406 2002 70.1286773681641 2003 69.6461181640625 2004 69.4910125732422 2005 70.297233581543 2006 72.2038269042969 2007 69.0745086669922 2008 66.0195388793945 2009 67.4964218139648 2010 68.873291015625 2011 67.9552307128906 2012 69.2136993408203 2013 69.7834091186523 2014 70.4453506469727 2015 71.1344375610352 2016 71.4575729370117 2017 72.0818176269531 2018 72.9118499755859 2019 73.59619140625 2020 73.7254867553711