In addition to the authority prescribed in Title 33, the Commissioner of Insurance shall have the power, in such manner and by such means as he may deem proper and adequate, to gather statistics and information and make investigations concerning rates for such insurance. He may take into consideration the income, earnings, and loss ratios from any and every source whatever of any such company and may call upon the directors of the State Board of Workers' Compensation to sit with him in an advisory capacity at any investigation or hearing concerning any rate or rates.
OCGA § 34-9-130