After making the distributions required under §§ 2-1101 and 2-1102 of this subtitle, the Comptroller shall distribute:

            (1)      the remaining motor fuel tax revenue from aviation fuel to the Transportation Trust Fund; and

            (2)      all remaining motor fuel tax revenue, equal to the average percentage by which the motor fuel tax rate exceeds 18.5 cents per gallon, to the gasoline and motor vehicle revenue account in the Transportation Trust Fund.