{
  "industry": "Couriers & Messengers",
  "naics": "492",
  "geo": "South Carolina",
  "grain_of_margin": "national",
  "national_net_margin_pct": 9.0,
  "local_establishments": 175.0,
  "local_avg_weekly_wage": 902.0,
  "note": "Margin is national. Local counts are state-grain. No local margin exists."
}