Observational dataset of 200 B2B AI deployments in France (2022-2025). Median annual gain of 1.60x investment (159.8%) across 165 deployments in production; 1.27x across the full cohort. Self-published, not peer-reviewed, no independent audit. Reproduction script included. CC BY 4.0.
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Jul 30, 2026 - Jupyter Notebook