Year % of relevant age group 1984 52.9617004394531 1985 53.146110534668 1986 53.2897796630859 1987 53.3810882568359 1988 53.3318786621094 1989 54.1670303344727 1990 54.2612991333008 1991 54.6803817749023 1992 55.7754707336426 1993 56.4039192199707 1994 56.1855888366699 1995 56.6371803283691 1996 57.0741004943848 1997 57.9820289611816 1998 58.9726295471191 1999 60.1723098754883 2000 61.5524101257324 2001 63.1794013977051 2002 65.1605529785156 2003 66.8594512939453 2004 68.2600936889648 2005 69.6537094116211 2006 69.632438659668 2007 70.7873229980469 2008 71.367431640625 2009 72.1166610717773 2010 73.1269378662109 2011 74.2357406616211 2012 74.5574798583984 2013 74.2558898925781 2014 74.2565689086914 2015 74.2767715454102 2016 75.0624771118164 2017 74.6023788452148 2018 74.5403213500977 2019 75.1305465698242 2020 76.3675003051758 2021 76.8057632446289 2022 76.6356964111328