Assuming that your dates are in Column A and the sick flag is in Column B
Put the your Start Date In say D1
or for pre2007![]()
=COUNTIFS(A2:A100,">="&D1,B2:B100,"S")
Extend the ranges to suit your Sheet.![]()
=SUMPRODUCT(--(A2:A100>=D1),--(B2:B100="S"))
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