Deal MarinaUSDA ERS food price data

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Producer Price Index (PPI) annual percent changes: 1978

Each row is one PPI category and the annual percent change recorded for it in usda_ers_ppi_annual_changes_1974_2025.csv for 1978.

itempercent_change
Unprocessed foodstuffs and feedstuffs12.6
Processed foods and feeds6.5
Finished consumer foods9
Farm-level cattle32.4
Wholesale beef28.3
Wholesale pork15.3
Wholesale poultry12
Farm-level eggs-2.1
Farm-level milk8.4
Wholesale dairy8.6
Farm-level soybeans-5.8
Wholesale fats and oils8.5
Farm-level fruit20.3
Farm-level vegetables7
Farm-level wheat24.3
Wholesale wheat flour19.1

Source: U.S. Department of Agriculture, Economic Research Service, Food Price Outlook, file usda_ers_ppi_annual_changes_1974_2025.csv. Fetched 2026-10-31.