Year	% of relevant age group
1971	99.24883
1972	98.74948
1973	97.09542
1998	106.85226
1999	106.60296
2002	100.40534
2004	101.5985
2011	97.90298
2012	99.62462
2013	98.65956
2014	97.56554
2015	99.42133
2016	98.86347
2017	100.93894