12.2% of the library is flagged stale
Those pages still open and their reports still read, but the amount never enters a total and never takes a rank. Most libraries sort stale rows next to fresh ones; this one removes them from the arithmetic and says so.
The query behind this number
SELECT count(*) n, sum(coalesce(revenue_stale,0)) FROM startup s LEFT JOIN report_spec p ON p.slug=s.slug WHERE s.status='published'