if you filled out the form to get your stats restored and it either didnt work or the data said corrupted try messaging them on facebookhttps://www.facebook.com/ActivisionAssist
I filled out the form for the restore about 6 times i believe and i did messaged them on facebook they entered the information in themselfs and it worked. The info that they need is:
-your gamertag,
-console
-your rank before any reset
-list of what you are missing