Each prepaid health clinic shall file a report with the office, annually on or before March 1, or within 3 months of the end of the reporting period of the clinic, including such statistical information as is requested by the commission or office, which information shows the rates of the clinic for all basic services provided under prepaid health clinic contracts. The office shall examine the affairs, transactions, accounts, business records, and assets of any prepaid health clinic as often as the office deems it expedient.