Year	% of relevant age group
1979	103.3921
1980	107.3401
1981	103.4608
1982	104.2858
1983	107.0342
1984	106.9849
1985	105.3771
1986	104.0904
1987	104.9115
1988	105.6181
1989	106.1046
1990	106.5209
1991	109.3573
1992	112.3732
1993	114.599
1994	112.1881
1995	107.6763
1996	111.7148
1997	112.6537
1998	111.0364
1999	105.242
2000	102.5287
2001	108.4427
2002	110.0598
2003	110.221
2004	112.7757
2005	112.951
2006	113.2371
2007	109.6463
2008	110.5719
2009	109.6856
2010	115.1409
2011	111.001
2012	109.4568
2013	111.8148
2014	107.7778
2015	106.533
2016	108.4064
2017	110.1161
2018	107.7434