(a) A rate filing shall be accompanied by a statement of the title insurance company making the filing, setting out the basis on which the rate was determined, with the rates computed. A filing of rates may be justified by
- (1) the experience or judgment of the title insurance company making the filing;
- (2) its interpretation of any statistical data relied upon;
- (3) the experience of other title insurance companies making the filings; or
- (4) any other factors that the title insurance company considers relevant.