See? 
I was interested enough to put the numbers in a LibreOffice sheet, but didn’t even automate the fetching… Which is so simple I guess I really should have done it… And possibly, postprocessing would just be a grep with some pipes behind it. Hm… maybe I’ll reconsider 
Btw, I didn’t even poll regularly, as you can tell from the not so sudden spike of @0591ryan’s shirt order. I think that was in one or two days. But usually I take several samples per month.