Year	% of relevant age group
1979	106.2126
1980	110.9575
1981	108.2016
1982	107.9341
1983	111.0481
1984	109.4239
1985	108.5753
1986	105.4886
1987	106.6616
1988	106.6282
1989	106.8292
1990	107.0116
1991	110.0116
1992	116.3173
1993	118.568
1994	115.6307
1995	118.0862
1996	114.2041
1997	114.7562
1998	112.9647
1999	106.9971
2000	106.6437
2001	110.9586
2002	112.1868
2003	112.7285
2004	115.0447
2005	114.9858
2006	113.4799
2007	111.5952
2008	111.7379
2009	111.1192
2010	115.3947
2011	112.0248
2012	110.008
2013	110.6005
2014	109.8683
2015	109.0891
2016	109.5822
2017	111.2192
2018	109.0161