Year	% of relevant age group
1975	26.7448196411133
1976	26.8483505249023
1977	27.1000499725342
1978	27.2466201782227
1979	27.2279796600342
1980	27.5113792419434
1981	27.7604293823242
1982	27.9349899291992
1983	28.0417003631592
1984	28.1982803344727
1985	28.3228092193604
1986	28.2787399291992
1987	27.9666595458984
1988	27.8534507751465
1989	27.7027797698975
1990	27.789249420166
1991	27.8949794769287
1992	27.6079502105713
1993	28.0786399841309
1994	28.2356605529785
1995	29.2878704071045
1996	29.5514507293701
1997	29.7440605163574
1998	30.0565795898438
1999	30.0001392364502
2000	30.1564197540283
2001	31.4577102661133
2002	33.9268989562988
2003	34.5268898010254
2004	35.1868896484375
2005	36.3571701049805
2006	37.670539855957
2007	39.1902618408203
2008	41.1917610168457
2009	42.3098793029785
2010	43.3750190734863
2011	44.1708297729492
2012	44.3969612121582
2013	44.6067390441895
2014	45.4942512512207
2015	45.8681716918945
2016	45.7917098999023
2017	45.6686897277832
2018	45.6387100219727
2019	45.5476303100586
2020	45.8403396606445
2021	46.3954315185547
