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| East Coast (PADD 1) Product Supplied of Isobutane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | -3 | -3 | -2 | -2 | -5 | -8 | -2 | -5 | -8 | -4 | -3 | 0 |
| 2011 | -4 | 2 | 2 | -7 | -2 | -8 | -10 | -1 | -9 | -8 | -3 | -1 |
| 2012 | 0 | 0 | -2 | -3 | -1 | -4 | -3 | 3 | -3 | -3 | 3 | 5 |
| 2013 | 2 | 3 | -4 | 1 | 1 | 1 | -1 | 1 | 3 | 3 | 5 | 3 |
| 2014 | 4 | 6 | 3 | 2 | 5 | 0 | 5 | 8 | 4 | 11 | 12 | 8 |
| 2015 | 6 | 11 | 7 | 11 | 8 | 8 | 8 | 7 | 8 | 11 | 11 | 11 |
| 2016 | 13 | 9 | 7 | 10 | 8 | 7 | 7 | 14 | 12 | 6 | 12 | 14 |
| 2017 | 11 | 2 | 11 | 7 | 4 | 10 | 12 | 6 | 3 | 7 | 7 | 7 |
| 2018 | 8 | 6 | 1 | 5 | 9 | 6 | 5 | 11 | 11 | 14 | 10 | 9 |
| 2019 | 10 | 7 | 13 | 17 | 12 | 21 | 17 | 5 | 10 | 11 | 11 | 20 |
| 2020 | 11 | 9 | 15 | 12 | 11 | 22 | 7 | 22 | 8 | 10 | 11 | 11 |
| 2021 | 7 | 13 | 13 | 12 | 11 | 15 | 16 | 16 | 15 | 10 | 14 | 13 |
| 2022 | 15 | 12 | 17 | 8 | 15 | 15 | 17 | 13 | 12 | 12 | 12 | 15 |
| 2023 | 14 | 13 | 13 | 16 | 17 | 17 | 18 | 20 | 14 | 15 | 17 | 13 |
| 2024 | 18 | 18 | 17 | 21 | 18 | 21 | 24 | 21 | 22 | 24 | 18 | 23 |
| 2025 | 20 | 20 | 22 | 24 | 27 | 21 | 22 | 21 | ||||
| - = 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 |