{ "area": { "code": "11000", "name": "埼玉県", "slug": "saitama" }, "structure": { "id": "rc", "name": "鉄筋コンクリート造" }, "segment": { "segment": "owner", "building_type": "all", "label": "持家" }, "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": null, "years": [ { "fiscal_year": 2012, "units": 53, "floor_total": 9527, "cost_total": 252618, "price_per_tsubo": 87.65635123543613, "price_per_sqm": 265160.071376089, "cost_per_unit": 4766.377358490566, "floor_per_unit": 179.75471698113208, "yoy": null, "ratio_national": 1.2052330786591345, "rank_in_national": 6, "is_spliced": false, "price_per_tsubo_real": 100.40819156407346, "deflator": 87.3, "deflator_provisional": false }, { "fiscal_year": 2013, "units": 46, "floor_total": 9035, "cost_total": 248638, "price_per_tsubo": 90.97343818705036, "price_per_sqm": 275194.24460431654, "cost_per_unit": 5405.173913043478, "floor_per_unit": 196.41304347826087, "yoy": 3.7841946474646893, "ratio_national": 1.2351083883885188, "rank_in_national": 5, "is_spliced": false, "price_per_tsubo_real": 101.4196635307139, "deflator": 89.7, "deflator_provisional": false }, { "fiscal_year": 2014, "units": 36, "floor_total": 6030, "cost_total": 155512, "price_per_tsubo": 85.25539211940298, "price_per_sqm": 257897.1807628524, "cost_per_unit": 4319.777777777777, "floor_per_unit": 167.5, "yoy": -6.28540174099006, "ratio_national": 1.0856654804842527, "rank_in_national": 8, "is_spliced": false, "price_per_tsubo_real": 92.06845801231425, "deflator": 92.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 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