For the fiscal year 1982-83, the cost of the foundation program is deemed to be twelve dollars ($12) per capita.
For the 1983-84 fiscal year and each fiscal year thereafter, the cost of the foundation program shall be increased by a percentage equal to the average statewide percentage increase in the total revenue limit for all unified school districts computed pursuant to Section 42238 from the prior fiscal year.
Ca. Educ. Code § 18020