The department shall conspicuously publish monthly reports on its website of the total number of incarcerated individuals who are in segregated confinement, the total number of incarcerated individuals who are in a residential rehabilitation unit, and the total number of incarcerated individuals in a step-down unit on the first day of each month. The department shall publish an annual cumulative report of the total number of incarcerated individuals who were in segregated confinement, the total number of incarcerated individuals who were in a residential rehabilitation unit and the total number of incarcerated individuals who were in a step-down unit for the preceding year. The annual report shall include the average length of stay in each of the units.