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| Refining District Indiana-Illinois-Kentucky Refinery Net Production of Normal Butane-Butylene (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 | 4,428 | 10,411 | 9,610 | 8,689 | 6,335 | |||||
| 2010's | 7,162 | 6,478 | 7,478 | 5,930 | 7,296 | 5,047 | 5,461 | 4,601 | 2,615 | 5,228 |
| 2020's | 3,036 | 4,441 | -- | -- | -- |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 11/28/2025 |
| Next Release Date: 8/31/2026 |