Every employer that sponsored H-1B petitions 2009-2023 with USCIS petition decision counts: initial approvals/denials and continuing approvals/denials. 764,803 employer-year rows across 15 fiscal years. Pairs with `oflc_disclosures` LCA filings (the precursor Labor Condition Application step) — together they show the full H-1B pipeline from LCA filing through USCIS petition decision. Source: uscis.gov/archive/h-1b-employer-data-hub-files annual CSV exports.
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