Year	% of relevant age group
2001	101.39256
2002	106.70241
2003	115.42264
2004	109.63705
2005	124.69605
2006	128.28593
2007	124.41169
2008	122.23091
2009	102.07567
2010	98.64901
2011	96.97294
2012	93.78349
2015	99.23077
2016	101.00983
2017	102.46121
2018	88.65979