Year % of relevant age group 1998 98.97802734375 1999 98.5714263916016 2000 99.5386962890625 2001 98.5513763427734 2002 98.6824188232422 2003 98.6475067138672 2004 98.5341262817383 2005 98.7432708740234 2006 98.633056640625 2007 98.8753890991211 2008 99.1635665893555 2009 98.2782135009766 2010 99.2388229370117 2011 99.0023803710938 2012 99.2070922851562 2013 99.0295715332031 2014 98.244758605957 2015 99.2618103027344 2016 99.8094329833984 2017 98.8909378051758 2018 98.4112091064453 2019 99.6398010253906 2020 98.147331237793 2021 98.491828918457