<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi E.Gracia<div class=""><br class=""></div><div class="">It is highly possible that publishers are making increased use of the “depth” field in the data they publish. We are a real time indexing system and people are publishing datasets constantly, so it will vary over time.</div><div class="">There have been no recent changes to the interpretation, so any change you see can only be due to new or updated datasets published through the network.</div><div class=""><br class=""></div><div class="">There are approximately 60million records where “depth" is not empty but of those, there are 41m with a value of “1” and 6.6m with a value of “0” which I would consider dubious and worthy of further investigation before use (they are commonly used values for NULL in databasing).</div><div class=""><br class=""></div><div class="">Attached is the distribution of values that we see for the “depth” field for all records.</div><div class=""><br class=""></div><div class="">I hope this is helpful.</div><div class=""><br class=""></div><div class="">Best wishes,</div><div class="">Tim</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""></div></body></html>