On or before December 31, 2020, the Legislative Auditor, in accordance with §4-10-1 et seq. of this code, shall audit the division for state spending unit and fleet coordinator compliance with the reporting requirements and applicable provisions of this article. Such audit shall also include an evaluation of the data collected by the division to determine if the data being provided to the division in spending unit annual reports are sufficient to evaluate the state costs of owning, maintaining, and leasing state vehicles, and to evaluate vehicle use and expenditure trends among the spending units.