The Secretary of the Army or the Secretary of the Navy, as the case may be, shall, when any arms, ammunition, implements of war, or equipment are exported pursuant to the provisions of this subchapter, immediately inform the Secretary of State, Chairman of the National Munitions Control Board, of the quantities, character, value, terms of sale, and destination of the arms, ammunition, implements of war, or equipment so exported. Such information shall be included in the annual report of the Board.