The votes on the plan shall be tabulated in the following manner:
(1) The total votes cast within the city of the first class shall be tabulated as a separate total.
(2) The total votes cast in the affected area as described pursuant to KRS 81.310, but lying outside of the city of the first class shall be tabulated as a separate total; included within this total, the votes cast in each city within this area, which has been incorporated more than twelve (12) months prior to the submission to the qualified voters of the question on the plan, shall be tabulated as individual totals for the purposes described in subsections (2) and (3) of KRS 81.330.