Year	% of relevant age group
1976	29.37432
1977	33.19515
1978	30.36172
1979	32.0748
1980	28.33637
1981	33.81181
1983	40.64791
1985	38.84872
1986	47.21348
1987	43.27631
1988	44.47024
1989	46.61017
1990	45.10382
1991	54.04224
1992	69.25644
1993	85.49511
1994	87.70752
1995	84.13614
1996	89.52429
1997	90.39478
1998	88.03985
1999	92.39917
2001	95.56906
2002	113.0541
2003	104.31568
2004	108.21784
2005	115.86276
2006	119.38361
2007	110.4319
2008	113.40412
2009	107.64446
2010	102.24796
2011	104.84054
2012	108.51718
2013	108.80807
2014	117.57163
2015	128.66745
2016	107.79572
2017	106.03607
2018	105.08427