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| Midwest (PADD 2) Exports of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | 0 | 80 | 168 | 84 | 82 | 79 | 80 | 76 | 1 | 77 | 77 | 163 |
| 1985 | 78 | 69 | 2 | 62 | 1 | 66 | 66 | 69 | 2 | 4 | 129 | 70 |
| 1986 | 4 | 149 | 110 | 77 | 78 | 2 | 79 | 80 | 74 | 5 | 151 | 72 |
| 1987 | 72 | 61 | 75 | 72 | 71 | 3 | 77 | 81 | 70 | 2 | 67 | 68 |
| 1988 | 63 | 56 | 63 | 59 | 65 | 63 | 63 | 67 | 57 | 51 | 114 | 64 |
| 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 | 12 | 7 | 16 | 16 | 24 | 10 | 0 | |||||
| 2016 | 0 | 0 | 1 | 0 | ||||||||
| 2017 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | |||
| 2018 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 0 | 0 |
| 2019 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| 2020 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 2 | 1 | 2 |
| 2021 | 3 | 1 | 3 | 2 | 3 | 1 | 1 | 3 | 1 | 2 | 2 | 3 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| 2025 | -- | -- | -- | -- | -- | -- | ||||||
| 2026 | -- | -- | -- | |||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 5/29/2026 |
| Next Release Date: 6/30/2026 |