The total benefits paid from the Unemployment Compensation Fund during the experience period, less all amounts credited to the Fund other than employers' contributions, interest, penalties, fees and interest earned on the Fund, divided by the statewide total of benefit wages of all employers for the experience period, after adjustments to the nearest multiple of one percent (1%) shall be termed the "state experience factor." The state experience factor for any year shall be determined prior to the due date of the first contribution payment on wages for employment in that year.
Okla. Stat. tit. 40, § 3-108