Discrepancy Between LinkedIn Sales Navigator and Enrichment Headcount

Hey Clay ! Do you have any idea why I may be seeing discrepancy between what I see on LinkedIn Sales Navigator and the Enrichment "Headcount by Criteria" ? Here is an example : for the same job titles AND the same LinkedIn URL, Clay shows 8 headcounts whereas I can find 19 in Sales Navigator. I've double check and they're all "current experience"