Year	% of relevant age group
1970	107.66857
1971	104.72696
1972	113.96025
1973	121.79429
1974	114.51705
1975	113.43768
1976	120.49088
1977	121.22383
1978	107.803
1979	105.79339
1980	110.05238
1981	109.65552
1982	103.59567
1985	100.38027
1986	104.82321
1987	102.79779
1988	103.27271
1989	99.99726
1991	107.58518
1992	109.44039
1993	105.06386
1994	100.93495
1995	100.70654
1996	102.61697
1998	100.17909
1999	103.49414
2000	102.30965
2001	101.01758
2002	105.0821
2004	108.30193
2005	105.77569
2006	112.25471
2007	107.59232
2008	102.49241
2009	105.93218
2010	106.29225
2011	105.83574
2012	104.0384
2013	102.19668
2014	102.71061
2015	103.64807
2016	103.15902
2017	97.98209
2018	111.06149