By February 1, each unit subject to the State Personnel Management System shall submit an annual report to the Secretary which includes the following information from the preceding calendar year: Total number of employees in the unit; Aggregate amounts of annual, personal, and sick leave taken by the employees of the unit; and Categories and amounts of other leave taken by employees of the unit. The annual report submitted by each unit shall be in a format required by the Secretary. The Department of Budget and Management shall maintain a central data base on the reports required in §A of this regulation.