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| Midwest (PADD 2) Exports of Isobutane-Isobutylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | 0 | 3 | 5 | 3 | 3 | 3 | 3 | 2 | 0 | 2 | 3 | 5 |
| 1985 | 3 | 2 | 0 | 2 | 0 | 2 | 2 | 2 | 0 | 0 | 4 | 2 |
| 1986 | 0 | 5 | 4 | 3 | 3 | 0 | 3 | 3 | 2 | 0 | 5 | 2 |
| 1987 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 3 | 2 | 0 | 2 | 2 |
| 1988 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 2 |
| 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 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | |||||
| 2016 | 0 | 0 | 0 | 0 | ||||||||
| 2017 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 2018 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2020 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| 2025 | -- | -- | -- | -- | -- | -- | ||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 2/6/2026 |
| Next Release Date: 2/27/2026 |