"Trauma center adjustment year" means, beginning October 1, 1992, the 12 month period beginning on October 1 of the year and ending September 30 of the following year.
"Trauma center base year" means State Fiscal Year 1991 for trauma center adjustment payments calculated for the October 1, 1992 trauma center adjustment year, State Fiscal Year 1992 for trauma center adjustment payments calculated for the October 1, 1993 trauma center adjustment year, and so on for each succeeding State Fiscal Year for trauma center adjustment payments calculated for the trauma center adjustment year beginning October 1 of that State Fiscal Year.
305 ILCS 5/5-5.03