{"updated": "2026-09-19", "item": "マフラー", "unit": "1枚", "item_code": "5572", "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": 6930}, "to": {"month": "2026-07", "yen": 11000}, "months": [{"month": "2020-01", "yen": 6930}, {"month": "2020-02", "yen": 6680}, {"month": "2020-11", "yen": 10853}, {"month": "2020-12", "yen": 10142}, {"month": "2021-01", "yen": 7947}, {"month": "2021-02", "yen": 7922}, {"month": "2021-11", "yen": 9895}, {"month": "2021-12", "yen": 9313}, {"month": "2022-01", "yen": 8209}, {"month": "2022-02", "yen": 7800}, {"month": "2022-11", "yen": 10445}, {"month": "2022-12", "yen": 10157}, {"month": "2023-01", "yen": 9320}, {"month": "2023-02", "yen": 8800}, {"month": "2023-11", "yen": 12256}, {"month": "2023-12", "yen": 12100}, {"month": "2024-01", "yen": 10445}, {"month": "2024-02", "yen": 9240}, {"month": "2024-11", "yen": 11866}, {"month": "2024-12", "yen": 11963}, {"month": "2025-01", "yen": 9913}, {"month": "2025-02", "yen": 10010}, {"month": "2025-11", "yen": 12540}, {"month": "2025-12", "yen": 12100}, {"month": "2026-01", "yen": 11440}, {"month": "2026-02", "yen": 11000}]}