Hi and welcome to the forum.
An easy way to do this, is using a helper & hidden column(Let's say C)
sO IN c2 and copy down put this.
=COUNTIF(B2:B3,B2)
Then, use this formula to get your result.
=COUNTIFS(A2:A13,"y",C2:C13,1)
Is this, works, for you?
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