Some of these responses were submitted prior to the entry into force of the Stockholm Convention, however, and Parties may not have updated their import decisions simply because there is little evidence of continuing trade in these chemicals.
但是一些此种回复是在《斯德哥尔摩公约》生效前提交的，缔约方可能仅因没有证据表明这些化学品仍在进口，而没有更新他们的进口决定。