Year	% of relevant age group
1971	104.4453
1972	99.06254
1973	98.2845
1974	95.97183
1975	95.49626
1976	97.57284
1977	94.56017
1978	96.14139
1979	94.81044
1980	95.18257
1981	97.48066
1982	96.01629
1983	93.91913
1984	93.37806
1985	94.1527
1986	92.46888
1987	92.10199
1988	92.77467
1989	93.85227
1990	94.89069
1991	95.25514
1992	95.90328
1994	93.89338
1995	97.65973
1996	97.91887
1997	100.39877
1999	102.56637
2000	103.38117
2001	98.34693
2002	95.83026
2003	99.31806
2004	104.02318
2005	101.99159
2006	103.24635
2007	104.83162
2008	101.70742
2009	101.1137
2010	101.35267
2011	101.84862
2012	99.99431
2013	100.74731
2014	98.84749
2015	98.29482
2016	97.75151
2017	96.61422