Year % of relevant age group 1997 17.8853206634521 1998 33.9945907592773 1999 43.1078109741211 2001 53.8356513977051 2002 62.4201316833496 2003 69.4156723022461 2004 82.8017425537109 2005 94.011848449707 2006 97.862678527832 2007 99.0910568237305 2008 96.7027893066406 2009 99.2443771362305 2010 89.7768630981445 2011 89.6660003662109 2012 93.7300033569336 2013 94.2050018310547 2014 93.9860000610352 2015 89.6859970092773 2016 86.2799987792969 2017 85.6019973754883 2018 85.0329971313477 2019 87.6190032958984 2020 94.9092788696289 2021 94.6579971313477 2022 90.6999969482422