Year	% of relevant age group
1971	78.58084
1972	94.25787
1973	104.39024
1974	110.35467
1975	105.18971
1976	131.77985
1977	111.49476
1978	111.45659
1979	107.55311
1980	99.15856
1981	102.23689
1982	102.64996
1983	98.41577
1984	100.2264
1985	100.64058
1986	97.41156
1987	95.88215
1988	100.89748
1989	99.68783
1990	101.71239
1991	99.55908
1992	99.44977
1993	100.76841
1994	97.10327
1995	105.74275
1996	104.2891
1997	107.4782
1998	104.7448
1999	103.25815
2000	101.63097
2001	101.57842
2002	100.32435
2003	99.19405
2004	97.58321
2005	95.85708
2006	100.1373
2007	96.28748
2008	97.60138
2009	96.8766
2010	102.44608
2011	104.64868
2012	102.72775
2013	101.7353
2014	107.57042
2015	105.86941
2016	103.53111
2017	107.24775