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| Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Normal Butane (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 | W | W | |||
| 2000's | W | W | W | W | 3,857 | 4,467 | 9,569 | 8,915 | 7,909 | 5,764 |
| 2010's | 6,286 | 5,775 | 6,369 | 4,835 | 6,363 | 4,417 | 4,703 | 3,347 | 1,916 | 4,485 |
| 2020's | 2,426 | 3,984 | 4,388 | 4,073 | 2,273 | 2,807 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 8/31/2026 |
| Next Release Date: 8/31/2027 |