How to restore (mobile) data usage?

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http://android.stackexchange.com – I've an S3 and until yesterday I've PACMAN ROM running - previous: Paranoid Android I made a Nandroid backup, in using titanium backup but I've forgotten to save my mobile data usage. Now I'm searching for an way to get it back (without restore the backup, if possible) Is there any absolute path to a file? (HowTos)