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| Gulf Coast (PADD 3) Exports of Isobutane-Isobutylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1992 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015 | 4 | 6 | 4 | 5 | 10 | 8 | 6 | 10 | 5 | 10 | 7 | 5 |
| 2016 | 5 | 5 | 5 | 8 | 3 | 5 | 6 | 8 | 8 | 8 | 3 | 5 |
| 2017 | 4 | 7 | 5 | 3 | 7 | 3 | 3 | 7 | 3 | 0 | 2 | 0 |
| 2018 | 2 | 2 | 4 | 31 | 3 | 3 | 2 | 8 | 4 | 1 | 3 | 1 |
| 2019 | 2 | 0 | 3 | 2 | 2 | 6 | 7 | 5 | 6 | 6 | 3 | 4 |
| 2020 | 2 | 5 | 3 | 5 | 5 | 3 | 2 | 0 | 2 | 16 | 7 | 8 |
| 2021 | 1 | 1 | 3 | 4 | 4 | 3 | 3 | 1 | 3 | 5 | 3 | 4 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2025 | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| - = 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: 11/28/2025 |