Year % of relevant age group 1986 31.0106906890869 1987 30.7154293060303 1988 31.7652893066406 1989 32.0127792358398 1990 32.7835311889648 1991 33.5869293212891 1992 34.4182205200195 1993 35.2194595336914 1994 36.0249786376953 1995 36.8534202575684 1996 37.6800804138184 1997 38.5366897583008 1998 39.3769989013672 1999 40.6138687133789 2000 41.8164901733398 2001 43.5336799621582 2002 44.6465301513672 2003 48.0580101013184 2004 48.6599884033203 2005 50.1497192382812 2006 52.0670890808105 2007 54.8413391113281 2008 57.859058380127 2009 60.6134490966797 2010 62.9046287536621 2011 65.7944564819336 2012 69.3000717163086 2013 72.8135681152344 2014 76.2137069702148 2015 76.0561981201172 2016 77.2141876220703 2017 77.1968002319336 2018 77.9700469970703 2019 77.9148330688477 2020 79.5138092041016 2021 80.494140625 2022 80.2239227294922