Year	% of relevant age group
1971	4.99008989334106
1972	6.01396989822388
1973	6.07766008377075
1974	6.05835008621216
1975	6.52074003219604
1976	7.23151016235352
1977	7.92914009094238
1978	9.59829044342041
1979	10.086350440979
1980	13.3354597091675
1981	14.6054601669312
1982	16.8032894134521
1983	17.9862403869629
1984	19.5575904846191
1985	19.299409866333
1986	21.3419799804688
1987	21.8201007843018
1989	14.1546297073364
1990	15.8216695785522
1991	17.0078601837158
1992	17.5497798919678
1993	15.3453502655029
1995	13.1099195480347
1996	13.7094497680664
1997	17.2882194519043
1998	18.0638809204102
1999	18.7618293762207
2000	17.9084396362305
2001	19.1660099029541
2002	20.7175807952881
2003	19.8793601989746
2004	25.8889503479004
2005	28.7417106628418
2006	31.5844497680664
2007	38.0770492553711
2008	36.3355102539062
2009	38.4925689697266
2010	38.6980018615723
2011	43.4176902770996
2012	46.8613510131836
2013	49.4299507141113
2014	59.7920684814453
2015	67.1179962158203
2016	74.753303527832
2017	62.0859985351562
2019	65.3655014038086
2021	60.9836807250977
2022	52.9879188537598
2023	45.132999420166