The State Treasurer may allocate up to 5% of the Treasurer's State Investment Portfolio to the Student Investment Account. The 5% cap shall be calculated based on: (1) the balance of the Treasurer's State Investment Portfolio at the inception of the State's fiscal year; or (2) the average balance of the Treasurer's State Investment Portfolio in the immediately preceding 5 fiscal years, whichever number is greater.
110 ILCS 991/15