Year	% of relevant age group
1970	107.51
1971	107.5144
1972	102.6239
1973	100.8074
1974	100.7372
1975	100.3879
1976	101.4527
1977	100.3111
1978	101.2409
1979	100.5541
1980	99.70692
1981	99.48509
1982	98.68593
1983	98.08516
1984	98.35422
1985	99.37776
1986	99.58013
1987	100.7441
1988	100.3344
1989	99.89164
1990	98.23508
1991	98.13285
1992	98.27201
1993	98.71046
1994	99.57041
1995	100.8517
1996	100.757
1997	101.1776
1998	100.8175
1999	100.2457
2000	99.85087
2001	98.23479
2002	97.15775
2003	98.95697
2004	101.5807
2005	99.84675
2006	100.7734
2007	101.059
2008	99.22314
2009	99.40116
2010	99.66012
2011	99.57051
2012	99.24276
2013	98.66885
2014	97.8872
2015	98.80407
2016	97.93668
2017	97.88159
2018	97.93246