Sort:  

Number of upvotes you've given and/or been given? New third party app?

No, that's something other.
I have 9 in this in red circle, but I give more than 9 upvote and I receive more than 9 uovotrs

Number of different users who have upvote your content?

I was wondering the same thing too

It's the number of upvotes you did today.