Year % of relevant age group 1995 98.48271 1996 100.31634 1997 88.81239 1998 95.91973 1999 121.73489 2004 101.44642 2005 102.77687 2006 102.62232 2007 107.09265 2008 105.53423 2009 99.16747 2010 86.35783 2011 92.62425 2012 88.13828 2013 85.12397 2014 84.26428 2015 86.14244 2016 81.82714 2017 83.00034 2018 82.75255