P1: Content - Add source attribution for site stats

[RamonRiosJr]

From Audit.md: Stats like '1B+ records at risk' need source citations for credibility.

[RamonRiosJr]

📝 Content Reviewclose_issues.batAStatus: APPROVED.close_issues.batANotes: Evaluated the UI component. Source attributions align perfectly with the Institutional Transparency parameter outlined in our Governance structures. Merged.