Year	% of relevant age group
1972	108.21304
1973	106.55859
1974	106.16091
1975	103.64792
1976	101.3776
1977	105.26882
1978	100.8589
1979	32.42715
1980	96.45833
1981	96.45416
1982	89.95147
1983	97.45403
1984	100.53998
1986	106.72485
1991	103.18928
1992	102.2456
1993	105.72135
1994	107.28074
1995	104.70238
1997	106.43409
1998	111.39867
1999	108.91145
2000	105.01136
2001	102.36846
2002	104.36327
2003	106.56674
2004	106.47895
2005	108.2513
2006	113.14608
2007	107.76727
2008	107.29777
2009	100.97633
2010	103.88408
2011	107.73321
2012	106.93131
2013	107.22758
2014	102.19833
2015	105.7014
2016	105.13595
2017	100.04623
2018	100.54912