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| U.S. Product Supplied of Isobutane-Isobutylene (Thousand Barrels per Day) | ||||||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980's | 1 | 7 | 24 | 41 | 50 | 50 | 25 | |||
| 1990's | 19 | 35 | 36 | 49 | 71 | 68 | 80 | 93 | 92 | 95 |
| 2000's | 101 | 91 | 80 | 71 | 30 | 30 | 15 | 5 | 4 | 12 |
| 2010's | 26 | 34 | 41 | 60 | 62 | 97 | 129 | 140 | 159 | 187 |
| 2020's | 213 | 221 | -- | -- | -- | -- |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/6/2026 |
| Next Release Date: 8/31/2026 |