View History:    Monthly     Annual   
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Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Production of Isobutylene (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's W W W W W
  2000's W W W W

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/29/2023
Next Release Date: 8/30/2024

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