Ind. Code § 4-10-21-3
The budget agency shall compute a new state spending growth quotient under this section before December 31 in 2004 and each even-numbered year thereafter. The state spending growth quotient determined under this section applies to each of the state fiscal years in the immediately following biennial budget period. The state spending growth quotient to be used in the biennial budget period is the amount determined under STEP FOUR of the following formula:
STEP ONE: For each of the six (6) calendar years immediately preceding the beginning of the first state fiscal year in a biennial budget period, divide the Indiana nonfarm personal income for the calendar year by the Indiana nonfarm personal income for the calendar year immediately preceding that calendar year.
STEP TWO: Determine the sum of the STEP ONE results.
STEP THREE: Divide the STEP TWO result by six (6).
STEP FOUR: Determine the lesser of the following:
IC 4-10-21-3