{"updated": "2026-09-19", "item": "男性用セーター", "unit": "1枚", "item_code": "5221", "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": true, "ratio": 1.262, "from": {"month": "2020-01", "yen": 5089}, "to": {"month": "2026-07", "yen": 6423}, "months": [{"month": "2020-01", "yen": 5089}, {"month": "2020-02", "yen": 4560}, {"month": "2020-03", "yen": 3927}, {"month": "2020-09", "yen": 4367}, {"month": "2020-10", "yen": 5283}, {"month": "2020-11", "yen": 5423}, {"month": "2020-12", "yen": 5150}, {"month": "2021-01", "yen": 4609}, {"month": "2021-02", "yen": 4652}, {"month": "2021-03", "yen": 4670}, {"month": "2021-09", "yen": 4625}, {"month": "2021-10", "yen": 5287}, {"month": "2021-11", "yen": 5273}, {"month": "2021-12", "yen": 5023}, {"month": "2022-01", "yen": 4828}, {"month": "2022-02", "yen": 4590}, {"month": "2022-03", "yen": 4564}, {"month": "2022-09", "yen": 4819}, {"month": "2022-10", "yen": 5060}, {"month": "2022-11", "yen": 5613}, {"month": "2022-12", "yen": 5390}, {"month": "2023-01", "yen": 5060}, {"month": "2023-02", "yen": 4923}, {"month": "2023-03", "yen": 4851}, {"month": "2023-09", "yen": 4953}, {"month": "2023-10", "yen": 5290}, {"month": "2023-11", "yen": 5557}, {"month": "2023-12", "yen": 5108}, {"month": "2024-01", "yen": 4597}, {"month": "2024-02", "yen": 4466}, {"month": "2024-03", "yen": 4345}, {"month": "2024-09", "yen": 4690}, {"month": "2024-10", "yen": 5657}, {"month": "2024-11", "yen": 5844}, {"month": "2024-12", "yen": 5790}, {"month": "2025-01", "yen": 5385}, {"month": "2025-02", "yen": 5293}, {"month": "2025-03", "yen": 5192}, {"month": "2025-09", "yen": 5387}, {"month": "2025-10", "yen": 6534}, {"month": "2025-11", "yen": 6690}, {"month": "2025-12", "yen": 6750}, {"month": "2026-01", "yen": 6290}, {"month": "2026-02", "yen": 6390}, {"month": "2026-03", "yen": 6423}]}