Year	% of relevant age group
1976	26.3526496887207
1977	26.4972190856934
1978	26.5993099212646
1979	26.5614490509033
1980	26.7877502441406
1981	26.8869209289551
1982	27.0728492736816
1983	27.334020614624
1984	27.6798095703125
1985	27.967960357666
1986	28.078239440918
1987	27.7958202362061
1988	27.6067790985107
1989	27.3838500976562
1990	26.9563598632812
1991	26.8378791809082
1992	26.4040908813477
1993	27.1032009124756
1994	27.4705696105957
1995	29.0713005065918
1996	29.6584701538086
1997	29.764799118042
1998	30.1629600524902
1999	30.2907104492188
2000	30.5016498565674
2001	31.7028293609619
2002	33.4044609069824
2003	32.4078903198242
2004	32.5134201049805
2005	33.5669708251953
2006	34.9119987487793
2007	36.3853912353516
2008	38.1651916503906
2009	39.3156204223633
2010	40.5949783325195
2011	41.6762084960938
2012	42.1613082885742
2013	42.7286796569824
2014	44.0033798217773
2015	44.3269081115723
2016	44.2411193847656
2017	44.2421493530273
2018	44.185791015625
2019	44.5401306152344
2020	45.3214797973633