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   "n_missing": 0,
   "n_unique": 40,
   "stats": {
    "min": 1.0,
    "p25": 16.0,
    "median": 28.0,
    "p75": 35.0,
    "max": 40.0,
    "mean": 24.762746,
    "sd": 10.739595
   }
  }
 ]
}