[otrs] Locked tickets in search and stats

Hello all, does anyone try to add to the search and statistic such state of the ticket as "Locked"? I fased with a problem to find all locked tickets in the system or make some statistic about them. So if you know how to sort/filter/search or create report about locket tickets please let me know. Thanks in advance. -- IMPORTANT NOTICE: This email is confidential, may be legally privileged, and is for the intended recipient only. Access, disclosure, copying, distribution, or reliance on any of it by anyone else is prohibited and may be a criminal offence. Please delete if obtained in error and email confirmation to the sender.