Year	% of relevant age group
1976	37.96212
1977	42.30733
1978	36.9889
1979	39.77961
1981	42.93435
1985	44.78995
1986	56.56894
1987	49.67916
1988	50.93437
1989	53.42324
1990	50.78428
1991	60.6362
1992	75.392
1993	92.24369
1994	92.94294
1995	89.78573
1996	93.42386
1997	92.22895
1998	88.26882
1999	92.76209
2001	96.14979
2002	113.56512
2003	103.0548
2004	107.59709
2005	114.00993
2006	118.44464
2007	109.37591
2008	111.4186
2009	105.9443
2010	100.7331
2011	102.59116
2012	105.259
2013	107.29921
2014	115.39411
2015	127.03461
2016	106.44834
2017	105.33607
2018	103.92486