Upon each person operating a taxicab, U-drive-it, or other forms of renting motor vehicles (for the transportation of persons for hire), whether driven by the person renting same, or by driver furnished by the person operating the station, for each automobile so operated, as follows:
In municipalities of class 1. . . . .$15.00
In municipalities of class 2. . . . .$10.00
In municipalities of classes 3, 4, 5, 6, 7, and elsewhere in thecounty. . . . .$5.00