Used by the helpdesk package to define the priority of a ticket.
The following values are defaults and can be deleted, modified or extended:
category_id | category
-------------+-------------
30201 | 1 - Highest
30202 | 2
30203 | 3
30204 | 4
30205 | 5
30206 | 6
30207 | 7
30208 | 8
30209 | 9 - Lowest
