Year % of relevant age group 1986 50.3586196899414 1987 50.1483306884766 1988 50.7880210876465 1989 51.5451698303223 1990 51.9319686889648 1991 52.2578582763672 1992 52.6450119018555 1993 52.9325485229492 1994 53.180290222168 1995 53.411491394043 1996 53.6327590942383 1997 53.8765716552734 1998 54.075569152832 1999 54.3623695373535 2000 54.7926902770996 2001 55.0971794128418 2002 55.2632293701172 2003 56.2411193847656 2004 57.3297805786133 2005 58.3434982299805 2006 59.8231315612793 2007 61.5745811462402 2008 63.1781883239746 2009 64.9265899658203 2010 66.5522537231445 2011 68.1175689697266 2012 69.444091796875 2013 70.7611999511719 2014 74.0618133544922 2015 73.9255218505859 2016 74.9487991333008 2017 75.0739974975586 2018 76.0294799804688 2019 76.2928237915039 2020 77.6840896606445 2021 78.8584518432617 2022 78.7883834838867