Year % of relevant age group 2007 98.29128 2008 100.47139 2009 94.45374 2010 91.59798 2011 102.69585 2012 101.3232 2013 99.00064 2014 100.9533 2015 100.77957 2016 99.24494 2017 99.01846 2018 99.67687