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Download Data (XLS File) |
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| Refining District Oklahoma-Kansas-Missouri Refinery and Blender Net Input of Isobutane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 15 | 11 | 12 | 12 | 15 | 16 | 11 | 12 | 13 | 11 | 12 | 12 |
| 2010 | 11 | 10 | 10 | 9 | 14 | 12 | 12 | 14 | 13 | 11 | 11 | 10 |
| 2011 | 9 | 12 | 13 | 13 | 12 | 11 | 11 | 13 | 13 | 10 | 15 | 13 |
| 2012 | 12 | 12 | 9 | 12 | 15 | 15 | 14 | 18 | 17 | 14 | 15 | 14 |
| 2013 | 14 | 11 | 13 | 11 | 14 | 20 | 15 | 11 | 13 | 14 | 16 | 13 |
| 2014 | 13 | 14 | 15 | 18 | 18 | 15 | 15 | 13 | 16 | 10 | 11 | 14 |
| 2015 | 12 | 15 | 14 | 15 | 14 | 16 | 12 | 15 | 14 | 11 | 12 | 12 |
| 2016 | 15 | 14 | 16 | 14 | 15 | 15 | 15 | 13 | 14 | 15 | 16 | 16 |
| 2017 | 15 | 15 | 13 | 14 | 14 | 15 | 13 | 14 | 16 | 12 | 16 | 13 |
| 2018 | 10 | 11 | 16 | 16 | 16 | 14 | 12 | 14 | 13 | 12 | 17 | 16 |
| 2019 | 14 | 15 | 11 | 14 | 13 | 12 | 14 | 14 | 14 | 9 | 11 | 14 |
| 2020 | 17 | 12 | 10 | 8 | 10 | 15 | 15 | 11 | 13 | 16 | 15 | 13 |
| 2021 | 14 | 8 | 11 | 13 | 15 | 15 | 13 | 15 | 14 | 14 | 16 | 15 |
| 2022 | 15 | 15 | 15 | 16 | 14 | 16 | 14 | 18 | 14 | 16 | 18 | 17 |
| 2023 | 12 | 13 | 11 | 9 | 12 | 15 | 15 | 12 | 14 | 15 | 17 | 17 |
| 2024 | 14 | 16 | 13 | 16 | 16 | 14 | 16 | 15 | 12 | 8 | 12 | 14 |
| 2025 | 9 | 12 | 10 | 6 | 11 | 14 | 15 | 16 | 15 | 14 | 17 | |
| - = 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 |