Year	% of relevant age group
1970	114.22136
1971	114.84523
1972	109.04554
1974	109.01235
1975	105.1425
1976	100
1977	95.64428
1978	105.26001
1980	93.22638
1981	107.02799
1982	101.6158
1983	91.74699
1984	93.61314
1985	102.89766
1986	110.98301
1987	100.77612
1988	98.41083
1989	92.49127
1991	107.4228
1992	100.1816
1993	98.5267
1994	101.42591
1995	97.13217
1996	104.11985
1997	105.32915
1998	103.47222
1999	108.40229
2000	110.03215
2001	100.06596
2002	102.51018
2003	102.65178
2004	94.56755
2005	101.66667
2007	106.17733
2008	104.52555
2009	106.56827
2010	108.44646
2011	110.70901
2012	106.15605
2013	102.21147
2014	99.2652
2015	100.97656
2016	96.2963
2017	96.78233
2018	104.32331