{
  "industry": "Truck Transportation",
  "naics": "484",
  "metro": "Springfield, MO",
  "grain_of_margin": "national",
  "national_net_margin_pct": 10.1,
  "metro_establishments": 369.0,
  "metro_employment": 7431.0,
  "metro_avg_weekly_wage": 1211.0,
  "note": "Margin is national. Counts + wage are metro (CBSA) grain. No local margin exists."
}