Year % of relevant age group 2007 98.31057 2008 100.90431 2009 94.89672 2010 91.32765 2011 102.9743 2012 101.38799 2013 99.1754 2014 100.34603 2015 100.13161 2016 99.38395 2017 99.17001 2018 99.51874