231Lastly, it should be noted, with regard to the estimated production of SKW and TDR, that the Commission explained, in the supplementary provisional disclosure document, that this was based on the complainants’ market knowledge and was therefore regarded as confidential. As mentioned in paragraph 230 above, since the figures given in the non-confidential version of the complaint are the total figures for domestic shipments, the institutions acted in compliance with Article 19(1) and (2) of the basic regulation.