Year	% of relevant age group
1971	25.3411808013916
1972	27.9183597564697
1973	27.6784896850586
1975	30.381290435791
1988	35.6216316223145
1989	33.8883018493652
1990	33.782341003418
1991	32.7446403503418
1992	30.3397407531738
1993	31.2682094573975
1994	28.6623096466064
1995	28.3780002593994
1996	28.8074607849121
1998	29.1679000854492
1999	32.1701316833496
2000	35.0763206481934
2001	34.3460502624512
2002	34.3873901367188
2003	38.0341491699219
2004	43.5429801940918
2005	55.1769981384277
2006	54.0746917724609
2007	58.3818588256836
2008	64.9076232910156
2009	72.1808319091797
2010	69.2342376708984
2011	70.1377105712891
2012	68.4885177612305
2013	67.5378723144531
2014	67.4706878662109
2015	67.60498046875
2016	66.0451278686523
2017	64.9909973144531
2018	63.1228485107422
2019	60.7599411010742
2020	59.1629981994629
2021	63.1720008850098
2022	59.3289985656738