Deal MarinaUSDA ERS food price data

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Producer Price Index (PPI) annual percent changes: 1991

Each row is one PPI category and the annual percent change recorded for it in usda_ers_ppi_annual_changes_1974_2025.csv for 1991.

itempercent_change
Unprocessed foodstuffs and feedstuffs-6.7
Processed foods and feeds-1.9
Finished consumer foods-0.2
Farm-level cattle-5.5
Wholesale beef-3.3
Wholesale pork-5.3
Wholesale poultry-3.3
Farm-level eggs-5.9
Farm-level milk-11.2
Wholesale dairy-2.2
Farm-level soybeans-5.7
Wholesale fats and oils-6.2
Farm-level fruit10
Farm-level vegetables-12.1
Farm-level wheat-9.4
Wholesale wheat flour-6.6

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.