Allerdings geschah dies vor dem Hintergrund der UMTS-Erlöse, der niedrigen Zinsen und der gesteigerten Steuereinnahmen aufgrund des erhöhten Wirtschaftswachstums. ###>This, however, has been done with the aid of the proceeds from the sale of licences for the operation of universal mobile telecommunications systems (UMTS) as well as low interest rates and the increased tax revenue generated by accelerated economic growth.