Year	% of relevant age group
1999	98.13974
2000	100.58319
2001	105.34548
2002	103.59442
2003	103.36821
2004	101.7747
2005	102.51832
2006	99.59165
2007	100.61532
2008	99.34477
2009	101.01768
2010	102.50453
2011	97.77103
2012	98.69161
2013	99.07029
2014	98.48306
2015	99.04
2016	98.55765
2017	99.32432