Year	% of relevant age group
1976	103.12086
1977	100.87887
1978	95.3303
1979	94.03211
1980	96.13219
1981	105.29858
1982	118.35174
1983	108.38973
1984	101.45055
1985	92.7338
1986	87.1259
1987	82.62353
1988	73.72048
1989	81.9819
1990	88.83379
1997	102.11102
1998	104.37066
1999	104.35436
2000	102.39516
2001	98.3171
2002	96.2127
2003	99.20374
2004	96.67787
2005	98.50044
2006	99.56893
2007	100.35951
2008	103.74469
2009	102.15082
2010	100.27286
2011	98.3111
2012	99.21072
2013	100.6593
2014	107.00151
2015	100.02012
2016	96.88425
2017	97.65857