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| Refining District Indiana-Illinois-Kentucky Refinery and Blender 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990's | 3,258 | 3,101 | 4,647 | 3,556 | 2,435 | 3,239 | 4,026 | |||
| 2000's | 4,025 | 4,216 | 4,038 | 4,746 | 3,695 | 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 | -- | -- | -- | 4,055 |
| - = 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 |