「Y」軸の小数点の登録数は、サインアップレポートでは意味をなしません

[meglio (Anton)]

It makes no sense to have 0.5, 1.5, 2.5, etc on the axis - because you can never have a non-whole number of registrations.

This might be a small fix that removes unrelated data and thus cleans up the Signups graph and makes it easier to read.