{"updated": "2026-09-19", "item": "コンタクトレンズ用剤", "unit": "1,000mL", "item_code": "6181", "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": 0.958, "from": {"month": "2020-01", "yen": 1748}, "to": {"month": "2026-07", "yen": 1675}, "months": [{"month": "2020-01", "yen": 1748}, {"month": "2020-02", "yen": 1735}, {"month": "2020-03", "yen": 1748}, {"month": "2020-04", "yen": 1921}, {"month": "2020-05", "yen": 1850}, {"month": "2020-06", "yen": 1913}, {"month": "2020-07", "yen": 1766}, {"month": "2020-08", "yen": 1855}, {"month": "2020-09", "yen": 1798}, {"month": "2020-10", "yen": 1855}, {"month": "2020-11", "yen": 1735}, {"month": "2020-12", "yen": 1858}, {"month": "2021-01", "yen": 1750}, {"month": "2021-02", "yen": 1840}, {"month": "2021-03", "yen": 1715}, {"month": "2021-04", "yen": 1829}, {"month": "2021-05", "yen": 1798}, {"month": "2021-06", "yen": 1781}, {"month": "2021-07", "yen": 1733}, {"month": "2021-08", "yen": 1829}, {"month": "2021-09", "yen": 1733}, {"month": "2021-10", "yen": 1854}, {"month": "2021-11", "yen": 1733}, {"month": "2021-12", "yen": 1854}, {"month": "2022-01", "yen": 1780}, {"month": "2022-02", "yen": 1733}, {"month": "2022-03", "yen": 1780}, {"month": "2022-04", "yen": 1715}, {"month": "2022-05", "yen": 1705}, {"month": "2022-06", "yen": 1705}, {"month": "2022-07", "yen": 1709}, {"month": "2022-08", "yen": 1691}, {"month": "2022-09", "yen": 1690}, {"month": "2022-10", "yen": 1690}, {"month": "2022-11", "yen": 1690}, {"month": "2022-12", "yen": 1690}, {"month": "2023-01", "yen": 1690}, {"month": "2023-02", "yen": 1690}, {"month": "2023-03", "yen": 1690}, {"month": "2023-04", "yen": 1705}, {"month": "2023-05", "yen": 1672}, {"month": "2023-06", "yen": 1679}, {"month": "2023-07", "yen": 1672}, {"month": "2023-08", "yen": 1679}, {"month": "2023-09", "yen": 1690}, {"month": "2023-10", "yen": 1679}, {"month": "2023-11", "yen": 1680}, {"month": "2023-12", "yen": 1679}, {"month": "2024-01", "yen": 1675}, {"month": "2024-02", "yen": 1690}, {"month": "2024-03", "yen": 1680}, {"month": "2024-04", "yen": 1680}, {"month": "2024-05", "yen": 1680}, {"month": "2024-06", "yen": 1686}, {"month": "2024-07", "yen": 1686}, {"month": "2024-08", "yen": 1688}, {"month": "2024-09", "yen": 1688}, {"month": "2024-10", "yen": 1688}, {"month": "2024-11", "yen": 1713}, {"month": "2024-12", "yen": 1688}, {"month": "2025-01", "yen": 1699}, {"month": "2025-02", "yen": 1677}, {"month": "2025-03", "yen": 1699}, {"month": "2025-04", "yen": 1677}, {"month": "2025-05", "yen": 1699}, {"month": "2025-06", "yen": 1683}, {"month": "2025-07", "yen": 1705}, {"month": "2025-08", "yen": 1705}, {"month": "2025-09", "yen": 1711}, {"month": "2025-10", "yen": 1705}, {"month": "2025-11", "yen": 1718}, {"month": "2025-12", "yen": 1677}, {"month": "2026-01", "yen": 1675}, {"month": "2026-02", "yen": 1675}, {"month": "2026-03", "yen": 1674}, {"month": "2026-04", "yen": 1675}, {"month": "2026-05", "yen": 1675}, {"month": "2026-06", "yen": 1675}, {"month": "2026-07", "yen": 1675}]}