{
  "industry": "Support Activities for Mining",
  "naics": "213",
  "geo": "North Dakota",
  "grain_of_margin": "national",
  "national_net_margin_pct": 22.1,
  "local_establishments": 437.0,
  "local_avg_weekly_wage": 2436.0,
  "note": "Margin is national. Local counts are state-grain. No local margin exists."
}