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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":"e70080e79b57d0ba58f720a35501c65f6d670ba803e960fdfca87348a9c7cae0","schemaVersion":1,"seriesId":"86770241d69234c89c6648b6e03413e7db2ea116f9a727fe04c0627a7819ef5b"},"sha256":"82d25ac8dc824b8f03397bb528fc9ec8db9abe9c8beacfd051edfca221790ed3"}}