Year % of relevant age group 1984 41.9161911010742 1985 42.7057991027832 1986 43.315071105957 1987 43.9406890869141 1988 45.1071891784668 1989 45.7721786499023 1990 46.2433586120605 1991 46.7252998352051 1992 47.4511985778809 1993 48.1407699584961 1994 48.8979911804199 1995 49.6131782531738 1996 50.5804786682129 1997 51.446891784668 1998 52.3579216003418 1999 53.4104690551758 2000 54.4687004089355 2001 55.6896018981934 2002 56.9715309143066 2003 58.7182388305664 2004 59.8002281188965 2005 60.5691795349121 2006 61.5697288513184 2007 63.2888107299805 2008 65.0368881225586 2009 67.1390380859375 2010 68.7668228149414 2011 70.3690185546875 2012 71.7294235229492 2013 72.770149230957 2014 75.1989898681641 2015 75.8517990112305 2016 76.595573425293 2017 76.3389892578125 2018 76.8204116821289 2019 77.0409317016602 2020 78.7459106445312 2021 79.1530380249023 2022 78.9132919311523