{
  "industry": "Finance & Insurance",
  "naics": "52",
  "metro": "Birmingham, AL",
  "grain_of_margin": "national",
  "national_net_margin_pct": 20.2,
  "metro_establishments": 1943.0,
  "metro_employment": 36180.0,
  "metro_avg_weekly_wage": 2184.0,
  "note": "Margin is national. Counts + wage are metro (CBSA) grain. No local margin exists."
}