{
  "releaseDate": "2026-09-25",
  "sourceRevision": "Updated on September 02, 2026",
  "frequency": "monthly period-average metal prices; monthly CPI-U, not seasonally adjusted",
  "coverage": {
    "start": "1960-01",
    "end": "2026-08"
  },
  "missingCpiMonths": [
    "2025-10"
  ],
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      "month": "1960-01",
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      "silver": 0.9,
      "cpi": 29.3
    },
    {
      "month": "1960-02",
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    },
    {
      "month": "1960-03",
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    },
    {
      "month": "1960-04",
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    },
    {
      "month": "1960-05",
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    },
    {
      "month": "1960-06",
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    },
    {
      "month": "1960-07",
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    {
      "month": "1960-08",
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    {
      "month": "1960-09",
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    {
      "month": "1960-10",
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    {
      "month": "1960-11",
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    {
      "month": "1960-12",
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    {
      "month": "1961-01",
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    {
      "month": "1961-02",
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    {
      "month": "1961-03",
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    {
      "month": "1961-04",
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    {
      "month": "1961-05",
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    {
      "month": "1961-06",
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    {
      "month": "1961-07",
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    {
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    {
      "month": "1961-09",
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    {
      "month": "1961-10",
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    {
      "month": "1961-11",
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    {
      "month": "1961-12",
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    {
      "month": "1962-01",
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    {
      "month": "1962-02",
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    {
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    {
      "month": "1962-04",
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    {
      "month": "1962-05",
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    {
      "month": "1962-06",
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    {
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    {
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    {
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    {
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    {
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    {
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    {
      "month": "1963-02",
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    {
      "month": "1963-03",
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    {
      "month": "1963-04",
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    {
      "month": "1963-05",
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    {
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    {
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    {
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    {
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    {
      "month": "1963-10",
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    {
      "month": "1963-11",
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    {
      "month": "1963-12",
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    {
      "month": "1964-01",
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    },
    {
      "month": "1964-02",
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    },
    {
      "month": "1964-03",
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    },
    {
      "month": "1964-04",
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    },
    {
      "month": "1964-05",
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    {
      "month": "1964-06",
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    {
      "month": "1964-07",
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    {
      "month": "1964-08",
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    {
      "month": "1964-09",
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    {
      "month": "1964-10",
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    {
      "month": "1964-11",
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    },
    {
      "month": "1964-12",
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    },
    {
      "month": "1965-01",
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      "cpi": 31.2
    },
    {
      "month": "1965-02",
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    },
    {
      "month": "1965-03",
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    {
      "month": "1965-04",
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    },
    {
      "month": "1965-05",
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    },
    {
      "month": "1965-06",
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    {
      "month": "1965-07",
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    {
      "month": "1965-08",
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    {
      "month": "1965-09",
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    {
      "month": "1965-10",
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    {
      "month": "1965-11",
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    {
      "month": "1965-12",
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    },
    {
      "month": "1966-01",
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    },
    {
      "month": "1966-02",
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      "cpi": 32.0
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    {
      "month": "1966-03",
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    {
      "month": "1966-04",
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    {
      "month": "1966-05",
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    {
      "month": "1966-06",
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    {
      "month": "1966-07",
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    {
      "month": "1966-08",
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    {
      "month": "1966-09",
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    {
      "month": "1966-10",
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    {
      "month": "1966-11",
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    {
      "month": "1966-12",
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    {
      "month": "1967-01",
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    {
      "month": "1967-02",
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      "cpi": 32.9
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    {
      "month": "1967-03",
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    {
      "month": "1967-04",
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    {
      "month": "1967-05",
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      "cpi": 33.2
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    {
      "month": "1967-06",
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    {
      "month": "1967-07",
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      "cpi": 33.4
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    {
      "month": "1967-08",
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      "cpi": 33.5
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    {
      "month": "1967-09",
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      "cpi": 33.6
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    {
      "month": "1967-10",
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      "cpi": 33.7
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    {
      "month": "1967-11",
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      "silver": 2.0,
      "cpi": 33.8
    },
    {
      "month": "1967-12",
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      "silver": 2.1,
      "cpi": 33.9
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    {
      "month": "1968-01",
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      "silver": 2.0,
      "cpi": 34.1
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    {
      "month": "1968-02",
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    },
    {
      "month": "1968-03",
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      "cpi": 34.3
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    {
      "month": "1968-04",
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    },
    {
      "month": "1968-05",
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      "cpi": 34.5
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    {
      "month": "1968-06",
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    {
      "month": "1968-07",
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      "cpi": 34.9
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    {
      "month": "1968-08",
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      "cpi": 35.0
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    {
      "month": "1968-09",
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    {
      "month": "1968-10",
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    {
      "month": "1968-11",
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    {
      "month": "1968-12",
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    {
      "month": "1969-01",
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    },
    {
      "month": "1969-02",
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    {
      "month": "1969-03",
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    {
      "month": "1969-04",
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    {
      "month": "1969-05",
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    {
      "month": "1969-06",
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    {
      "month": "1969-07",
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    {
      "month": "1969-08",
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    {
      "month": "1969-09",
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    {
      "month": "1969-10",
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    {
      "month": "1969-11",
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    {
      "month": "1969-12",
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    {
      "month": "1970-01",
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    {
      "month": "1970-02",
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    {
      "month": "1970-03",
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    },
    {
      "month": "1970-04",
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    {
      "month": "1970-05",
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    {
      "month": "1970-06",
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    {
      "month": "1970-07",
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    {
      "month": "1970-08",
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    {
      "month": "1970-09",
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    {
      "month": "1970-10",
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    {
      "month": "1970-11",
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    {
      "month": "1970-12",
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    {
      "month": "1971-01",
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    {
      "month": "1971-02",
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    {
      "month": "1971-03",
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    {
      "month": "1971-04",
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    {
      "month": "1971-05",
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    {
      "month": "1971-06",
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    {
      "month": "1971-07",
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    {
      "month": "1971-08",
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    {
      "month": "1971-09",
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    {
      "month": "1971-10",
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    {
      "month": "1971-11",
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    {
      "month": "1971-12",
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    {
      "month": "1972-01",
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    {
      "month": "1972-02",
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    {
      "month": "1972-03",
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    {
      "month": "1972-04",
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    {
      "month": "1972-05",
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    {
      "month": "1972-06",
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    {
      "month": "1972-07",
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    {
      "month": "1972-08",
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    {
      "month": "1972-09",
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    {
      "month": "1972-10",
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    {
      "month": "1972-11",
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    {
      "month": "1972-12",
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    {
      "month": "1973-01",
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    {
      "month": "1973-02",
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    {
      "month": "1973-03",
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    {
      "month": "1973-04",
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    {
      "month": "1973-05",
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