A user has downvoted me many times [closed]

A user continues to downvote my answers (for example, from 9 month ago). I already reported a few days ago, though. This data include even the question of 9 month ago.

$20170123$

• At a glance that voting looks more suspect. I highly doubt it's the same user though. It seems you can see in your reputation tab that part of the effect was already undone by a script. – quid Jan 23 '17 at 18:17