{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "company",
    "building_type": "all",
    "label": "給与住宅"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 65,
    "price_per_tsubo": 154.27478946272387,
    "prev_price_per_tsubo": null,
    "change_vs_prev": null,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2018,
      "units": 22,
      "floor_total": 1190,
      "cost_total": 27492,
      "price_per_tsubo": 76.37208292436975,
      "price_per_sqm": 231025.2100840336,
      "cost_per_unit": 1249.6363636363637,
      "floor_per_unit": 54.09090909090909,
      "yoy": null,
      "ratio_national": 1.3129487466002963,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 78.01029920773212,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2025,
      "units": 37,
      "floor_total": 1574,
      "cost_total": 48180,
      "price_per_tsubo": 101.18993786531131,
      "price_per_sqm": 306099.11054637865,
      "cost_per_unit": 1302.162162162162,
      "floor_per_unit": 42.54054054054054,
      "yoy": null,
      "ratio_national": 0.9998109478073339,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 82.73911518014008,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}