(1) Each participating county and municipal government shall receive a proportion of moneys earmarked for distribution within that county.

(2) The proportion for each county government shall be computed by dividing the sum of the unincorporated area population plus two-thirds of the incorporated area population by the sum of the total county population plus two-thirds of the incorporated area population.

(3) The proportion for each municipal government shall be computed by dividing the population of that municipality by the sum of the total county population plus two-thirds of the incorporated area population.

(4) Effective October 1, 2000, the apportionment factors shall, except in the case of error in the population certified pursuant to s. 186.901, remain in effect for the fiscal year. Adjustments to distributions to correct errors shall be made subsequent to receipt of a corrected population certified pursuant to s. 186.901.