Year	% of relevant age group
1972	52.6789894104004
1973	53.25537109375
1974	50.8354110717773
1975	49.0673904418945
1976	48.4956207275391
1977	52.9937400817871
1978	55.8135108947754
1981	65.8477935791016
1982	70.4250717163086
1983	75.7427597045898
1984	85.5808334350586
1985	95.2554321289062
1986	97.4167404174805
1987	97.2932434082031
1988	97.0849075317383
1989	97.4142074584961
1990	94.395881652832
1991	90.7412033081055
1992	89.0867004394531
1993	92.7073974609375
1994	95.4393692016602
1995	95.2415237426758
1996	94.8697280883789
1997	95.4097137451172
2001	95.3834915161133
2002	97.3382034301758
2003	99.5420532226562
2004	98.6548461914062
2005	98.9920120239258
2006	97.5537185668945
2007	100.271362304688
2008	99.1960372924805
2009	100.199127197266
2010	102.311996459961
2011	102.359001159668
2012	109.122619628906
2013	107.166206359863
2014	109.713562011719
2015	109.528999328613
2016	107.964996337891
2017	106.196006774902
2018	104.97412109375
2019	104.611000061035
2020	103.142997741699
2021	103.38200378418
2022	102.986000061035