Year	% of relevant age group
1970	105.4651
1971	105.4773
1972	101.7226
1973	100.2055
1974	101.2753
1975	100.8691
1976	101.3899
1977	100.5867
1978	101.0643
1979	100.6485
1980	100.0242
1981	100.1328
1982	100.1044
1983	99.34432
1984	99.2068
1985	99.27884
1986	99.01397
1987	99.569
1988	98.79272
1989	98.10283
1990	97.29082
1991	97.25272
1992	98.28729
1993	98.66014
1994	99.19021
1995	100.238
1996	100.3325
1997	100.6568
1998	100.3626
1999	99.62801
2000	99.30603
2001	98.47032
2002	97.83246
2003	98.75002
2004	101.315
2005	99.43801
2006	100.3111
2007	100.8574
2008	99.947
2009	99.48314
2010	99.58521
2011	99.54056
2012	99.96441
2013	98.56721
2014	97.8458
2015	100.8191
2016	100.0386
2017	93.90023
2018	93.94508