Year % of relevant age group 1986 40.946231842041 1987 41.0361785888672 1988 41.8980712890625 1989 42.546558380127 1990 43.292350769043 1991 43.8677101135254 1992 44.6015701293945 1993 45.258731842041 1994 46.001880645752 1995 46.6127281188965 1996 47.2560615539551 1997 47.8237380981445 1998 48.5263290405273 1999 49.3628311157227 2000 50.151050567627 2001 50.9752807617188 2002 52.379150390625 2003 54.659309387207 2004 55.7334594726562 2005 56.7713890075684 2006 57.5811309814453 2007 58.8324203491211 2008 60.933349609375 2009 62.2516593933105 2010 64.0755310058594 2011 65.6799926757812 2012 67.7753067016602 2013 68.9470977783203 2014 70.8779220581055 2015 70.818000793457 2016 71.2133331298828 2017 71.0360717773438 2018 71.5955276489258 2019 71.6719512939453 2020 72.5915069580078 2021 73.4494781494141 2022 73.0789413452148