Looks like this will do the trick - I'll try and get it installed tonight or, failing that, sometime soon...
https://xenforo.com/community/resources/ozzmodz-view-anonymous-poll-votes.8068/
Sorry - I read your message but there is not a mod/admin option to amend it in the way you want.
So, to try and fix it, I’ll need to delve into the sql backend, but I’ve literally never looked at that since the platform migration so it may take me a while to figure it out, and time is...