{
  "series_id": "BLUE_COLLAR_EMPLOYMENT",
  "source": "derived",
  "shortName": "Payrolls - Blue Collar",
  "title": "All Employees: Blue Collar Aggregate",
  "frequency": "monthly",
  "unit": "thousands",
  "derivation": {
    "type": "sum",
    "sources": [
      "CES1000000001",
      "CES2000000001",
      "CES3000000001",
      "CES4000000001",
      "CES7000000001",
      "CES8000000001"
    ],
    "description": "Sum of employment for Mining, Const, Manuf, Trade, Leisure, Other"
  }
}