Year	% of relevant age group
1970	110.28563
1977	120.93589
1978	113.847
1979	112.61036
1980	112.76224
1981	116.43011
1993	116.23389
1995	114.11668
1998	117.1859
1999	118.51373
2000	115.58236
2001	115.97752
2002	115.14137
2003	111.28645
2004	108.70243
2005	109.19454
2006	106.58259
2007	107.20611
2008	103.47269
2009	104.2231
2010	108.39759
2011	106.53898
2012	90.82313
2013	92.76163
2014	90.58269
2015	95.78406
2016	101.5537
2017	101.50654
2018	105.57009