Year	% of relevant age group
1971	96.42835
1973	104.84499
1974	103.99506
1975	101.12745
1976	100.91223
1977	101.1702
1978	97.5905
1979	99.66653
1980	100.2617
1981	98.8326
1982	97.90232
1984	94.75954
1985	94.49195
1986	99.62349
1987	102.24728
1988	103.2114
1989	101.49515
1990	102.48825
1991	99.07555
1992	97.56904
1993	97.0366
1994	98.01627
1998	102.08394
1999	100.91372
2000	97.00384
2001	97.64379
2002	98.12854
2003	99.86553
2004	98.42661
2005	96.36387
2006	99.0276
2007	100.49595
2008	97.38489
2009	96.80675
2010	100.54929
2011	102.08638
2012	100.95015
2013	102.4354
2014	100.11356
2015	100.90845
2016	101.2672
2017	99.94559