{
  "industry": "Other Services (except Public Administration)",
  "naics": "81",
  "metro": "Columbia, SC",
  "grain_of_margin": "national",
  "national_net_margin_pct": 18.9,
  "metro_establishments": 2106.0,
  "metro_employment": 15563.0,
  "metro_avg_weekly_wage": null,
  "note": "Margin is national. Counts + wage are metro (CBSA) grain. No local margin exists."
}