{"updated": "2026-09-19", "item": "レタス", "unit": "1kg", "item_code": "1406", "source": "総務省統計局 小売物価統計調査（動向編）", "source_url": "https://www.stat.go.jp/data/kouri/", "license": "CC BY 4.0（数値）", "method": "81市の調査価格の月ごとの中央値。40市以上で値がある月だけ", "comparable": false, "ratio": null, "from": {"month": "2020-01", "yen": 471}, "to": {"month": "2026-07", "yen": 366}, "months": [{"month": "2020-01", "yen": 471}, {"month": "2020-02", "yen": 412}, {"month": "2020-03", "yen": 391}, {"month": "2020-04", "yen": 489}, {"month": "2020-05", "yen": 429}, {"month": "2020-06", "yen": 345}, {"month": "2020-07", "yen": 366}, {"month": "2020-08", "yen": 792}, {"month": "2020-09", "yen": 461}, {"month": "2020-10", "yen": 414}, {"month": "2020-11", "yen": 350}, {"month": "2020-12", "yen": 322}, {"month": "2021-01", "yen": 478}, {"month": "2021-02", "yen": 436}, {"month": "2021-03", "yen": 328}, {"month": "2021-04", "yen": 316}, {"month": "2021-05", "yen": 313}, {"month": "2021-06", "yen": 394}, {"month": "2021-07", "yen": 328}, {"month": "2021-08", "yen": 425}, {"month": "2021-09", "yen": 811}, {"month": "2021-10", "yen": 435}, {"month": "2021-11", "yen": 371}, {"month": "2021-12", "yen": 359}, {"month": "2022-01", "yen": 517}, {"month": "2022-02", "yen": 581}, {"month": "2022-03", "yen": 500}, {"month": "2022-04", "yen": 430}, {"month": "2022-05", "yen": 386}, {"month": "2022-06", "yen": 375}, {"month": "2022-07", "yen": 314}, {"month": "2022-08", "yen": 368}, {"month": "2022-09", "yen": 481}, {"month": "2022-10", "yen": 515}, {"month": "2022-11", "yen": 512}, {"month": "2022-12", "yen": 402}, {"month": "2023-01", "yen": 594}, {"month": "2023-02", "yen": 548}, {"month": "2023-03", "yen": 475}, {"month": "2023-04", "yen": 442}, {"month": "2023-05", "yen": 398}, {"month": "2023-06", "yen": 361}, {"month": "2023-07", "yen": 344}, {"month": "2023-08", "yen": 372}, {"month": "2023-09", "yen": 547}, {"month": "2023-10", "yen": 521}, {"month": "2023-11", "yen": 440}, {"month": "2023-12", "yen": 505}, {"month": "2024-01", "yen": 563}, {"month": "2024-02", "yen": 493}, {"month": "2024-03", "yen": 444}, {"month": "2024-04", "yen": 602}, {"month": "2024-05", "yen": 508}, {"month": "2024-06", "yen": 365}, {"month": "2024-07", "yen": 345}, {"month": "2024-08", "yen": 477}, {"month": "2024-09", "yen": 650}, {"month": "2024-10", "yen": 656}, {"month": "2024-11", "yen": 613}, {"month": "2024-12", "yen": 885}, {"month": "2025-01", "yen": 962}, {"month": "2025-02", "yen": 734}, {"month": "2025-03", "yen": 621}, {"month": "2025-04", "yen": 437}, {"month": "2025-05", "yen": 343}, {"month": "2025-06", "yen": 313}, {"month": "2025-07", "yen": 327}, {"month": "2025-08", "yen": 461}, {"month": "2025-09", "yen": 610}, {"month": "2025-10", "yen": 525}, {"month": "2025-11", "yen": 492}, {"month": "2025-12", "yen": 475}, {"month": "2026-01", "yen": 545}, {"month": "2026-02", "yen": 553}, {"month": "2026-03", "yen": 420}, {"month": "2026-04", "yen": 392}, {"month": "2026-05", "yen": 401}, {"month": "2026-06", "yen": 359}, {"month": "2026-07", "yen": 366}]}