Section 9-4-5201 - Basis for estimated rate of growth of economy(a) The estimated rate of growth of the state's economy shall be based upon the projected change in Tennessee personal income.(b) Tennessee personal income shall consist of those sources of income included in the United States department of commerce's definition of "personal income."Acts 1979, ch. 408, § 1; T.C.A., §§ 9-621, 9-6-201.