{"updated": "2026-09-19", "item": "照明器具", "unit": "1台", "item_code": "4115", "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": 1.17, "from": {"month": "2020-01", "yen": 14483}, "to": {"month": "2026-07", "yen": 16940}, "months": [{"month": "2020-01", "yen": 14483}, {"month": "2020-02", "yen": 14453}, {"month": "2020-03", "yen": 14669}, {"month": "2020-04", "yen": 14586}, {"month": "2020-05", "yen": 14792}, {"month": "2020-06", "yen": 14570}, {"month": "2020-07", "yen": 14110}, {"month": "2020-08", "yen": 13647}, {"month": "2020-09", "yen": 12760}, {"month": "2020-10", "yen": 12155}, {"month": "2020-11", "yen": 13013}, {"month": "2020-12", "yen": 12945}, {"month": "2021-01", "yen": 13128}, {"month": "2021-02", "yen": 12517}, {"month": "2021-03", "yen": 12713}, {"month": "2021-04", "yen": 12496}, {"month": "2021-05", "yen": 12549}, {"month": "2021-06", "yen": 12393}, {"month": "2021-07", "yen": 12179}, {"month": "2021-08", "yen": 12027}, {"month": "2021-09", "yen": 12333}, {"month": "2021-10", "yen": 12253}, {"month": "2021-11", "yen": 12247}, {"month": "2021-12", "yen": 12526}, {"month": "2022-01", "yen": 12606}, {"month": "2022-02", "yen": 12873}, {"month": "2022-03", "yen": 12809}, {"month": "2022-04", "yen": 12693}, {"month": "2022-05", "yen": 12866}, {"month": "2022-06", "yen": 12716}, {"month": "2022-07", "yen": 12839}, {"month": "2022-08", "yen": 12845}, {"month": "2022-09", "yen": 12600}, {"month": "2022-10", "yen": 12716}, {"month": "2022-11", "yen": 12933}, {"month": "2022-12", "yen": 12899}, {"month": "2023-01", "yen": 13273}, {"month": "2023-02", "yen": 14329}, {"month": "2023-03", "yen": 14376}, {"month": "2023-04", "yen": 15503}, {"month": "2023-05", "yen": 15547}, {"month": "2023-06", "yen": 16573}, {"month": "2023-07", "yen": 17160}, {"month": "2023-08", "yen": 16940}, {"month": "2023-09", "yen": 16940}, {"month": "2023-10", "yen": 16793}, {"month": "2023-11", "yen": 16647}, {"month": "2023-12", "yen": 16707}, {"month": "2024-01", "yen": 16647}, {"month": "2024-02", "yen": 16940}, {"month": "2024-03", "yen": 16573}, {"month": "2024-04", "yen": 16573}, {"month": "2024-05", "yen": 16707}, {"month": "2024-06", "yen": 16940}, {"month": "2024-07", "yen": 16487}, {"month": "2024-08", "yen": 16793}, {"month": "2024-09", "yen": 16940}, {"month": "2024-10", "yen": 17467}, {"month": "2024-11", "yen": 17527}, {"month": "2024-12", "yen": 17153}, {"month": "2025-01", "yen": 17078}, {"month": "2025-02", "yen": 17160}, {"month": "2025-03", "yen": 17467}, {"month": "2025-04", "yen": 17527}, {"month": "2025-05", "yen": 15547}, {"month": "2025-06", "yen": 15125}, {"month": "2025-07", "yen": 15125}, {"month": "2025-08", "yen": 15840}, {"month": "2025-09", "yen": 16500}, {"month": "2025-10", "yen": 16500}, {"month": "2025-11", "yen": 16940}, {"month": "2025-12", "yen": 16573}, {"month": "2026-01", "yen": 17160}, {"month": "2026-02", "yen": 17160}, {"month": "2026-03", "yen": 17160}, {"month": "2026-04", "yen": 16940}, {"month": "2026-05", "yen": 16940}, {"month": "2026-06", "yen": 16830}, {"month": "2026-07", "yen": 16940}]}