Year	% of relevant age group
1972	64.6646881103516
1973	70.0268478393555
1974	81.1619110107422
1975	90.2544631958008
1976	92.3275909423828
1977	93.9305191040039
1978	97.7896118164062
1979	98.6554107666016
1980	100.737579345703
1981	100.633422851562
1982	100.669166564941
1983	96.8537292480469
1984	100.42357635498
1985	100.908798217773
1987	87.9378814697266
1988	88.4762420654297
1989	88.0673828125
1990	90.2497863769531
1991	94.010627746582
1992	96.3971862792969
1993	97.4474334716797
1994	102.386993408203
1996	97.4929885864258
1999	92.8020095825195
2000	93.7699127197266
2002	90.0665664672852
2003	90.547492980957
2004	89.0837631225586
2005	90.0989837646484
2006	86.8420028686523
2007	82.9204330444336
2008	83.6657867431641
2011	80.8159713745117
2013	88.1560516357422
2014	83.9040679931641