{"updated": "2026-09-19", "item": "女性用セーター(長袖又は七分袖)", "unit": "1枚", "item_code": "5241", "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": 3858}, "to": {"month": "2026-07", "yen": 4389}, "months": [{"month": "2020-01", "yen": 3858}, {"month": "2020-02", "yen": 3568}, {"month": "2020-03", "yen": 3216}, {"month": "2020-09", "yen": 4396}, {"month": "2020-10", "yen": 4316}, {"month": "2020-11", "yen": 4466}, {"month": "2020-12", "yen": 4323}, {"month": "2021-01", "yen": 3461}, {"month": "2021-02", "yen": 3117}, {"month": "2021-03", "yen": 3016}, {"month": "2021-09", "yen": 4613}, {"month": "2021-10", "yen": 4616}, {"month": "2021-11", "yen": 4576}, {"month": "2021-12", "yen": 4019}, {"month": "2022-01", "yen": 3776}, {"month": "2022-02", "yen": 3420}, {"month": "2022-03", "yen": 3575}, {"month": "2022-09", "yen": 4656}, {"month": "2022-10", "yen": 4928}, {"month": "2022-11", "yen": 4730}, {"month": "2022-12", "yen": 4396}, {"month": "2023-01", "yen": 4107}, {"month": "2023-02", "yen": 3832}, {"month": "2023-03", "yen": 3842}, {"month": "2023-09", "yen": 4629}, {"month": "2023-10", "yen": 4583}, {"month": "2023-11", "yen": 4726}, {"month": "2023-12", "yen": 4490}, {"month": "2024-01", "yen": 4260}, {"month": "2024-02", "yen": 3933}, {"month": "2024-03", "yen": 3928}, {"month": "2024-09", "yen": 4638}, {"month": "2024-10", "yen": 4915}, {"month": "2024-11", "yen": 4931}, {"month": "2024-12", "yen": 5086}, {"month": "2025-01", "yen": 4335}, {"month": "2025-02", "yen": 3782}, {"month": "2025-03", "yen": 3840}, {"month": "2025-09", "yen": 4636}, {"month": "2025-10", "yen": 5323}, {"month": "2025-11", "yen": 5283}, {"month": "2025-12", "yen": 5086}, {"month": "2026-01", "yen": 4517}, {"month": "2026-02", "yen": 4352}, {"month": "2026-03", "yen": 4389}]}