; (II) for both the plan year upon which a cost exemption is sought and the year prior, a description of the actual total costs of coverage with respect to medical and surgical benefits and mental health and substance use disorder benefits under the plan; and (III) for both the plan year upon which a cost exemption is sought and the year prior, the actual total costs of coverage with respect to mental health and substance use disorder benefits under the plan. (iii) Confidentiality A notification to the Secretary under clause (i) shall be confidential. The Secretary shall make available, upon request and on not more than an annual basis, an anonymous itemization of such notifications, that includes— (I) a breakdown of States by the size and type of employers submitting such notification