{
  "max": {
    "overall": "2025-11-30",
    "by_type": {
      "2": "2024-12-01",
      "4": "2025-11-30"
    }
  },
  "min": {
    "overall": "2024-12-01",
    "by_type": {
      "2": "2024-12-01",
      "4": "2025-11-30"
    }
  }
}