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| Refining District East Coast Refinery and Blender Net Production of Refinery Olefins (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 19 | 28 | 22 | 21 | 17 | 17 | 18 | 18 | 21 | 16 | 19 | 21 |
| 2011 | 22 | 21 | 24 | 21 | 25 | 20 | 14 | 18 | 20 | 23 | 23 | 20 |
| 2012 | 17 | 21 | 22 | 17 | 19 | 19 | 14 | 13 | 13 | 15 | 5 | 16 |
| 2013 | 17 | 21 | 17 | 17 | 16 | 16 | 16 | 14 | 16 | 4 | 5 | 15 |
| 2014 | 15 | 16 | 13 | 17 | 16 | 15 | 17 | 17 | 17 | 16 | 18 | 15 |
| 2015 | 23 | 16 | 15 | 13 | 14 | 14 | 14 | 10 | 12 | 12 | 9 | 14 |
| 2016 | 15 | 13 | 12 | 13 | 17 | 15 | 11 | 11 | 14 | 12 | 13 | 13 |
| 2017 | 14 | 15 | 14 | 16 | 15 | 13 | 14 | 13 | 12 | 12 | 13 | 16 |
| 2018 | 13 | 4 | 3 | 12 | 15 | 16 | 13 | 7 | 8 | 17 | 16 | 13 |
| 2019 | 15 | 10 | 7 | 11 | 20 | 11 | 10 | 12 | 14 | 16 | 16 | 15 |
| 2020 | 16 | 6 | 10 | 13 | 12 | 10 | 9 | 15 | 16 | 19 | 18 | 17 |
| 2021 | 16 | 15 | 15 | 17 | 15 | 16 | 16 | 16 | 16 | 14 | 12 | 14 |
| 2022 | 13 | 10 | 15 | 14 | 12 | 10 | 11 | 11 | 13 | 15 | 11 | 10 |
| 2023 | 10 | 1 | 2 | 9 | 8 | 5 | 3 | 11 | 10 | 10 | 12 | 10 |
| 2024 | 13 | 13 | 9 | 12 | 13 | 11 | 11 | 13 | 14 | 13 | 14 | 13 |
| 2025 | 12 | 13 | 13 | 11 | 12 | 11 | 11 | 12 | ||||
| - = 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 |