How wonderful. Everytime this question is asked the same answers get repeated and obviously nobody ever tested the own reply.
I explained it 4 years ago in this discussion Material Master Record - How to remove or delete storage location
Despite of the fact that you may find a way to add this number in this table, you still need program logic that you would look into this table to retrieve the user desired attribute. If it is not foreseen then the behavior will not change.