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  "unit": "percent",
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    "release": "国債金利情報",
    "url": "https://www.mof.go.jp/jgbs/reference/interest_rate/jgbcm.csv"
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    "release_note": "公表時刻を当所で確立できていない。推定値は入れない（会則第11条）",
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  "full": "/api/v0/series/rate.jp.jgb.30y/full.json"
}