Sorry, I should have quantified how much (and I can no longer edit my post): two in a month has been the most in a given month, and most months are just zero. S

Sorry, I should have quantified how much (and I can no longer edit my post): two in a month has been the most in a given month, and most months are just zero. Someone else used to have my phone number as well, so I had to politely say that that person no longer has this number, but that was over six months ago now.