I receive one upvote for this question so I click on the points and below is what I got in the popver. However I see white space on the top. Not sure for what? Is this a bug or part of the UI?
This is how it should look like: (taken by a different user)
I think below image makes clear why that empty space is logical:
However, the summary should only be shown when reputation has been earned on more than one site. If there is only 1 data in that row it is confusing. Two would be clear.