Year % of relevant age group 1980 11.5363798141479 1981 8.45221996307373 1985 8.63860988616943 1986 7.34791994094849 1987 6.80539989471436 1988 5.5410099029541 1989 6.24751996994019 1990 6.90663003921509 1991 8.00471019744873 1992 7.77824020385742 1993 8.34899997711182 1994 10.5000095367432 1998 9.65038013458252 2000 11.434700012207 2001 12.6220998764038 2003 16.5953903198242 2004 21.3746700286865 2005 23.0449695587158 2006 24.7667102813721 2007 30.0723705291748 2009 33.1749382019043 2010 34.5459785461426 2011 30.5673694610596 2012 35.2967987060547 2013 35.4807586669922 2014 34.7083587646484 2015 26.7779998779297 2016 31.261999130249 2018 34.0779991149902 2019 34.2210006713867 2020 34.7387008666992 2021 35.1110000610352