These numbers don't add up because your running total updates each day - those very recent clicks will show up in your next weekly summary. If you check the running totals for these listings again, you'll notice that these numbers have been updated yet again. Just to give you an example: these stats you've cited refer to the listing shown at the link below and you'll notice that the running total is now the following:
So yesterday this listing received an additional 5 results views, 3 details views, and 0 clicks.
I hope this clarifies things for you. If you have any further questions, please let me know.
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