{
  "max": {
    "overall": "2073-01-01",
    "by_type": {
      "2": "2026-04-01",
      "3": "2073-01-01",
      "4": "2030-12-31"
    }
  },
  "min": {
    "overall": "1981-01-01",
    "by_type": {
      "2": "1981-01-01",
      "3": "2000-01-01",
      "4": "1995-04-01"
    }
  }
}