Year	% of relevant age group
1997	98.52305
1999	100.3277
2000	99.71451
2001	103.77282
2002	99.92921
2003	104.17658
2004	104.74333
2005	101.3683
2006	101.90166
2007	106.88302
2008	102.06619
2009	95.17077
2015	103.89277
2016	102.34492
2017	97.18721