Within 30 days of the Controller's issuance of the combined annual financial report of the City and County, the Controller shall report to the Mayor and Board of Supervisors regarding the extent to which each department in the prior fiscal year has recovered additional revenues measured by the difference between projected and experienced revenues. It shall be City policy for the Mayor and Board of Supervisors, upon receipt of this report, through the supplemental appropriations process to give serious consideration to rewarding those departments that the Controller has certified pursuant to this section exceeded their revenue goals or met or exceeded departmental operational goals expending less than has been projected in the budget.