(2) On or before January 30 annually, the sheriff or other keeper of a jail or house of correction shall report to the department on all of the following for the previous calendar year:
(a) The number of prisoners from the jail or house of correction who were transferred to a state treatment facility and the number who were transferred to a county treatment facility under each of the following: 1. A commitment under s. 51.20 (1) (a). 3. A voluntary transfer under s. 51.37 (5). 4. An emergency transfer under s. 51.37 (5).
(b) The length of stay in the treatment facility of each prisoner reported under par. (a).
(3) The report under sub.
(2) shall include a description of the mental health services that are available to prisoners on either a voluntary or involuntary basis.