Year % of relevant age group 1971 8.49444007873535 1973 15.1652898788452 1974 14.756739616394 1975 15.2743701934814 1976 14.0137500762939 1977 14.2664403915405 1978 13.5549097061157 1979 13.3858003616333 1980 13.4653196334839 1981 13.6947002410889 1982 15.8627996444702 1983 21.3216991424561 1984 28.8007106781006 1985 30.1895294189453 1986 32.2477607727051 1987 32.1866912841797 1988 43.8142890930176 1989 36.6856803894043 1990 45.4872703552246 1991 46.0254783630371 1992 51.6162796020508 1993 55.5054092407227 2000 27.2921695709229 2001 28.6007595062256 2002 29.2917098999023 2003 35.4190216064453 2004 39.5760803222656 2005 40.2509689331055 2007 53.256290435791 2008 45.8804893493652 2009 51.1549987792969 2010 55.9213905334473 2011 59.476261138916 2012 62.8745384216309 2013 67.7748718261719 2014 64.3172836303711 2015 57.3010902404785 2016 58.9061889648438 2017 58.5449981689453 2018 52.8434600830078 2019 48.7870216369629 2020 45.4094505310059 2021 44.7290000915527 2022 42.6230010986328