Year	% of relevant age group
1976	104.4065
1977	101.85521
1978	96.30042
1979	94.9956
1980	96.67328
1981	106.08233
1982	118.29967
1983	109.20835
1984	101.93241
1985	93.85766
1986	87.40472
1987	83.73304
1988	76.09722
1989	82.4203
1990	88.06631
1997	98.94553
1998	102.41517
1999	100.68757
2000	98.53466
2001	96.47183
2002	94.68193
2003	98.16032
2004	94.95538
2005	96.34907
2006	98.87476
2007	99.43683
2008	103.94264
2009	101.41338
2010	100.43142
2011	97.84767
2012	98.93708
2013	100.13436
2014	107.34216
2015	101.36891
2016	97.0714
2017	95.15468