Year % of relevant age group 1971 1.44008004665375 1974 1.81774997711182 1975 2.2901599407196 1988 4.19640016555786 1989 3.99012994766235 1990 4.64694023132324 1991 4.57676982879639 1994 6.3514199256897 1995 6.07387018203735 1996 6.86349010467529 2000 8.8617000579834 2002 10.5430603027344 2003 10.5342903137207 2004 10.9648704528809 2006 11.966010093689 2009 17.0886306762695 2010 16.8069095611572 2011 17.2195892333984 2012 15.863579750061 2013 17.82080078125 2015 15.2224102020264 2016 15.5207996368408 2017 15.740870475769 2018 15.6736698150635 2021 19.1754894256592