I answer just about every question there.

The first page of results has the following age distribution:

2020: 1
2019: 1
2018: 1
2017: 6
2016: 3
2015: 2
2014: 7
2013: 5
2012: 2
2011: 1
[download]

I don't know how representative of the whole that is, but it doesn't seem to indicate a problem.