Thank you very much.

I had some difficulties to make this work, because I have localised
Finnish version of Excel. They have also translated function names.
What a brilliant idea...

SUM is SUMMA in Finnish version and SUMIF is SUMMA.JOS. After figuring
this out, I finally got it to work.

Thank you once again, now I start to count my birds and make some fancy
charts of them :)


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Petri M
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