The aeronautical authorities of one Contracting Party shall supply to the aeronautical authorities of the other Contracting Party at their request such periodic or other statements of statistics as may be necessary for the purpose of reviewing the capacity provided on the agreed services by the designated airline of the Contracting Party referred to first in this Article. Such statements shall include all information required to determine the amount of traffic carried by that airline on the agreed services and the origins and destinations of such traffic.