I've never found owt, let alone taken owt away & I've made a few hundred site visits!!!! (LOL! Mind you, I am INCREDIBLY unobservant & hve probly missed anothe Mold cape sitting under me nose!)
As a matter of interest, HA did mess about with ststistics in just this way for a while, but as they're so purely estimates we decided it was unreasonable to use them on the website.