There is no set number afaik that corresponds to set levels that we can see. Aaron made this post indicating that your disagreements are involved, and we can’t see those.
His post also had suggestions on how to improve your rating. I usually recommend going slow, really consider each question, expand the tool tips, enlarge the photo, check satellite and street views, etc. Use “I don’t know” when appropriate. Some people don’t realize that is a valid answer.