Year	% of relevant age group
1999	99.93963
2000	101.52795
2001	107.65434
2002	102.9113
2003	104.38045
2004	100.52225
2005	101.17358
2006	100.36038
2007	99.07921
2008	99.74935
2009	101.08707
2010	101.34735
2011	98.32665
2012	98.91646
2013	97.89361
2014	98.62147
2015	98.8698
2016	98.30165
2017	99.82773