the estimated aggregate cost of successive contracts during the 12 months following the first service performed or first delivery or during the term of the contract, where this is greater than 12 months.
bien el valor estimado total de los contratos sucesivos durante los 12 meses siguientes a la primera prestación o entrega, o a lo largo de la duración del contrato si esta es superior a 12 meses.
Translate the following text into Spanish:
"the estimated aggregate cost of successive contracts during the 12 months following the first service performed or first delivery or during the term of the contract, where this is greater than 12 months."
bien el valor estimado total de los contratos sucesivos durante los 12 meses siguientes a la primera prestación o entrega, o a lo largo de la duración del contrato si esta es superior a 12 meses.