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| U.S. Stock Change of Isobutane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 6 | 8 | -7 | -7 | 15 | 9 | 8 | -3 | 28 | 16 | -38 | -28 |
| 2011 | -10 | -2 | 15 | 11 | 14 | -8 | -20 | -23 | -7 | 2 | 15 | 16 |
| 2012 | 27 | -4 | 13 | 16 | -8 | -16 | 10 | -13 | 16 | 15 | 11 | -18 |
| 2013 | 0 | 11 | 5 | 37 | 17 | -19 | -3 | 1 | 19 | -55 | -13 | -22 |
| 2014 | -14 | 4 | 6 | 4 | 2 | 30 | 1 | 24 | -7 | 6 | -13 | -12 |
| 2015 | -4 | -3 | 23 | 10 | 6 | 0 | 13 | -20 | 0 | 0 | -11 | -19 |
| 2016 | -13 | 25 | 8 | -8 | -4 | -1 | -9 | 7 | -16 | -1 | -16 | 12 |
| 2017 | -2 | 27 | 7 | 5 | 2 | -7 | -14 | 16 | 39 | 10 | -40 | -31 |
| 2018 | 2 | -17 | 16 | 0 | -8 | 13 | 31 | 1 | 11 | -32 | -13 | -2 |
| 2019 | 26 | 14 | 15 | 34 | 17 | -6 | -6 | -6 | -3 | 1 | -1 | 4 |
| 2020 | -19 | 34 | 41 | 55 | -36 | -34 | -2 | 32 | 26 | -17 | -42 | 2 |
| 2021 | -40 | -7 | 0 | 11 | -42 | 5 | 15 | -4 | 4 | 38 | 2 | -67 |
| 2022 | -18 | -4 | 6 | 11 | 10 | -15 | 19 | 19 | 13 | 31 | 0 | 7 |
| 2023 | -6 | -29 | 27 | 23 | 37 | -8 | -29 | 4 | 1 | -30 | -5 | -36 |
| 2024 | -5 | 16 | -29 | -7 | 16 | -1 | 30 | 5 | 7 | 23 | 15 | -19 |
| 2025 | -18 | -10 | 53 | 19 | -6 | -26 | 5 | 22 | 7 | 12 | -12 | -25 |
| 2026 | -28 | 27 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/30/2026 |
| Next Release Date: 5/29/2026 |
Referring Pages: