SalesForce Case Numer: 488879
Seeing that excluded searches (such as Newspaper Articles) has the highest facet of usage. Ex Libris says in the SF case that the reporting does not currently differentiate between included and exluded facets in searches.
This issue was not discussed with Brent Cook on May 2, 2019 at ELUNA
From the IGeLU-ELUNA Analytics Working Group, Analytics Evidence Document
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