How often still operate Tatras on route 15?

Tatras have only recently started operating again as a substitute on workdays in case of maintenance or breakdowns of TMK 2300.
After the opening of cable car on 23 February 2022 route 15 was operated exclusively by low-floor trams (2300 and occasionally 2200 which is too large for this route), for this reason 2302 has been transferred to Dubrava depot. T4 cars did not appear there until November 2023, when suddenly one day trams 454 and 472 appeared. Since then, route 15 is either operated by both 2300, or one 2300 and one T4 (usually 472).