Year	% of relevant age group
1974	21.2901096343994
1975	22.5529708862305
1976	24.9349403381348
1977	29.678840637207
1978	30.9124794006348
1979	32.9976501464844
1980	33.3333282470703
1981	35.6195907592773
1982	34.8902893066406
1983	34.4305114746094
1984	32.6988906860352
1985	33.9070587158203
1986	33.3611717224121
1987	33.7280387878418
1988	27.5060691833496
1989	28.1330795288086
1990	29.78005027771
1991	31.7140007019043
1992	33.6505813598633
1993	34.3034210205078
1994	36.4773712158203
1995	49.6407508850098
1996	59.8375091552734
1999	69.0040130615234
2000	67.0260925292969
2001	68.863639831543
2002	72.6218566894531
2004	63.6511383056641
2005	63.6665306091309
2006	63.4621315002441
2007	63.874641418457
2008	68.8271789550781
2009	69.6080780029297
2010	69.3453521728516
2011	71.0738677978516
2012	73.9334487915039
2013	78.0661315917969
2014	76.8393478393555
2019	76.2936706542969
2021	86.5739974975586