Year	% of relevant age group
1971	3.06120991706848
1972	3.83548998832703
1973	3.92756009101868
1974	4.11295986175537
1975	4.41593980789185
1976	4.89201021194458
1977	5.61704015731812
1978	6.71267986297607
1979	8.91646003723145
1980	10.2308197021484
1981	10.6088399887085
1982	11.1866903305054
1983	12.1188802719116
1984	13.3828401565552
1985	13.7388896942139
1986	15.26243019104
1987	15.7539796829224
1989	10.3904104232788
1990	10.7097597122192
1991	12.4342699050903
1992	12.7436800003052
1993	12.1040201187134
1995	9.53507995605469
1996	13.5936498641968
1997	13.18869972229
1998	13.8540802001953
1999	14.2259397506714
2000	14.2043199539185
2001	14.8760499954224
2002	16.3940200805664
2003	16.2436008453369
2004	20.4158897399902
2005	22.5133094787598
2006	24.9605598449707
2007	30.2002906799316
2008	30.0025100708008
2009	31.8482494354248
2010	33.1415100097656
2011	36.8049812316895
2012	40.7325401306152
2013	43.7553405761719
2014	52.6606292724609
2015	60.5
2016	67.8777923583984
2017	57.4500007629395
2019	60.162540435791
2021	57.4026184082031
2022	50.3183403015137
2023	44.1119995117188