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[withheld] — Structured national panel of approved SERFF rate filings: filing-level records (carrier, state, commercial line, written premium, filed vs indicated rate change, approval status) rolled into a trailing-12-month national snapshot with state heat maps, state x line matrices and carrier-level drill-down. Comprehensive national coverage at micro-firm scale — all states x all commercial lines x all carriers in a rolling 12-month panel of thousands of filings, maintained by a 6-person specialist team: very high data-to-headcount ratio with single-maintainer concentration risk. Use …