Year	% of relevant age group
1971	100.74629
1972	99.39621
1973	96.6
1998	105.45598
1999	104.19448
2002	99.5139
2004	101.21564
2011	97.68527
2012	98.93467
2013	98.18161
2014	97.99521
2015	98.14376
2016	99.22767
2017	101.07732