Enterprise Vault For Domino - Delete old Journaling

I have years 2011, 2012,2013 at my Journaling archive. I would like to delete year 2011.  How can i do this ?  

I have a retention policy and  i did try the storage expiracy , but nothing worked :

Storage Expiry Report

Vault Store Name: Journaling Archiving

Vault Store Id: 1B3295949C7C9ED45873EF4753C677A8D1210000acessoev

Number of vaults processed: 1

Number of vaults enabled for expiry: 1

Total number of expired items deleted: 0

Total number of items that could not be deleted: 0

Items marked with sent\received date based retention categories have been deleted:

(none)

Items marked with archived date based retention categories have been deleted:

(none)

Start Time: 06/02/2013 08:04

End Time: 06/02/2013 08:07