巴黎备忘录2001年蓝皮书中包括1份船级性能表，表明1999年至2001年间该地区所有被检查船舶的2.1%是由于船级相关缺陷而被滞留的。该表列出了21家船级社，并提供了每家船级社所检查船舶数量以及因船级而滞留的船舶数量的信息。巴黎备忘录港口国监督委员会7月在伦敦召开了大会， The 2001 Blue Book of the Paris Memorandum includes a class performance table showing that 2.1% of all ships surveyed in the area between 1999 and 2001 were stranded due to class-related defects. The table lists 21 classification societies and provides information on the number of vessels inspected by each classification society and on the number of vessels stranded for classification purposes. The Paris MOU Port State Control Commission convened in London in July,