{ "area": { "code": "12000", "name": "千葉県", "slug": "chiba" }, "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": 66, "floor_total": 10092, "cost_total": 230659, "price_per_tsubo": 75.55590721462545, "price_per_sqm": 228556.2822037257, "cost_per_unit": 3494.8333333333335, "floor_per_unit": 152.9090909090909, "yoy": null, "ratio_national": 1.038857736829386, "rank_in_national": 14, "is_spliced": false, "price_per_tsubo_real": 86.54743094458814, "deflator": 87.3, "deflator_provisional": false }, { "fiscal_year": 2013, "units": 49, "floor_total": 7983, "cost_total": 212592, "price_per_tsubo": 88.03513812852312, "price_per_sqm": 266305.9000375799, "cost_per_unit": 4338.6122448979595, "floor_per_unit": 162.91836734693877, "yoy": 16.516552277572337, "ratio_national": 1.1952163152492399, "rank_in_national": 7, "is_spliced": false, "price_per_tsubo_real": 98.14396669846501, "deflator": 89.7, "deflator_provisional": false }, { "fiscal_year": 2014, "units": 49, "floor_total": 9924, "cost_total": 289691, "price_per_tsubo": 96.49915466444982, "price_per_sqm": 291909.51229343005, "cost_per_unit": 5912.061224489796, "floor_per_unit": 202.53061224489795, "yoy": 9.6143616240711, "ratio_national": 1.2288466278869044, "rank_in_national": 4, "is_spliced": false, "price_per_tsubo_real": 104.2107501775916, "deflator": 92.6, "deflator_provisional": false }, { "fiscal_year": 2015, 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