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Newer cohorts have had less time to close; Open/Canceled comparisons can reflect workflow or cohort age rather than changing request volume.","Current-system 311 coverage starts in 2019. Early phases may reflect adoption/reporting ramp-up; request counts are not completed work or incident prevalence.","Many dependent filter conditions were searched. No multiple-testing-adjusted significance or causal attribution is claimed.","Frequency compares fixed equal-length windows of raw counts, not population risk or a celeration-factor ratio. Reporting, classifications and exposure may have changed."]},"runId":"2eae676c790ac616880eb485913d74d8966557a83f43d8afe2c5e74452c1251b","schemaVersion":1,"seriesId":"92471aa05cc2a774678a62b11be7cc9c0fd864b2573885ebb38a0f15478c4bee"},"sha256":"135f2c317aa2016d065a9e9b56dfdca1bbbe683d305320e599f37d8f5a7f65af"}}