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| Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery Net Production of Isobutane (Thousand Barrels) | ||||||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2000's | -185 | -38 | 11 | -44 | 24 | |||||
| 2010's | -97 | -63 | -59 | -92 | -124 | -344 | -639 | -666 | -315 | -298 |
| 2020's | -287 | -597 | -523 | -549 | -449 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 8/31/2026 |