Year % of relevant age group 1983 30.5568599700928 1984 30.796070098877 1985 30.9835796356201 1986 30.9118194580078 1987 30.650110244751 1988 30.5498790740967 1989 30.203369140625 1990 29.7230491638184 1991 29.4417991638184 1992 28.7775897979736 1993 29.5819797515869 1994 29.9150390625 1995 31.7304000854492 1996 32.2820205688477 1997 32.3838882446289 1998 32.84619140625 1999 32.9795989990234 2000 33.2567405700684 2001 34.5332489013672 2002 36.3904800415039 2003 35.3536796569824 2004 35.5767097473145 2005 36.7518081665039 2006 38.2096099853516 2007 39.7694816589355 2008 41.7032890319824 2009 42.7466316223145 2010 43.8363914489746 2011 44.770580291748 2012 44.9396514892578 2013 45.1747207641602 2014 46.9282188415527 2015 46.8430709838867 2016 46.3225708007812 2017 45.9945297241211 2018 45.7422904968262 2019 45.8699684143066 2020 46.3693313598633