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| Refining District East Coast Refinery Net Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | -116 | -53 | -152 | -79 | -74 | -144 | -78 | -198 | -209 | -31 | -177 | -215 |
| 2006 | 56 | 187 | -160 | -14 | 302 | 52 | 11 | -84 | -28 | 26 | -51 | 49 |
| 2007 | 71 | -83 | 97 | 56 | 72 | -4 | 263 | 52 | 162 | 37 | -15 | 77 |
| 2008 | 112 | -15 | 146 | 152 | 57 | 123 | 55 | -7 | 240 | 42 | -49 | 203 |
| 2009 | -71 | -24 | -4 | -115 | 114 | 88 | -64 | 155 | -202 | 107 | 138 | 10 |
| 2010 | -16 | 9 | -211 | 125 | 138 | 70 | -57 | -86 | -51 | -112 | -67 | -113 |
| 2011 | -9 | -61 | -61 | -185 | 3 | -65 | -159 | -123 | -211 | -27 | 31 | 23 |
| 2012 | 80 | 93 | -38 | -4 | -11 | 46 | 51 | -62 | -73 | -46 | -85 | -47 |
| 2013 | -60 | -113 | -84 | 10 | 56 | 8 | 63 | 29 | 9 | -22 | 19 | -18 |
| 2014 | -17 | -8 | -9 | 19 | 28 | -21 | 37 | 18 | -5 | 14 | -7 | -43 |
| 2015 | 28 | -29 | -11 | -12 | 22 | 10 | -11 | 26 | -99 | -34 | -17 | 22 |
| 2016 | 17 | 21 | 15 | 39 | 89 | 84 | 83 | 27 | 54 | 40 | -20 | 1 |
| 2017 | 75 | -29 | 25 | 41 | 33 | 48 | 59 | 51 | 14 | 59 | 45 | 13 |
| 2018 | 9 | -11 | -61 | 14 | 52 | 9 | 12 | 32 | 25 | 28 | 45 | -39 |
| 2019 | 23 | 40 | 49 | 26 | 77 | 38 | 51 | 13 | 41 | -41 | -36 | -16 |
| 2020 | 41 | 5 | -22 | 24 | -28 | -69 | -92 | -23 | -102 | -140 | -103 | -112 |
| 2021 | -105 | -80 | -59 | -123 | -40 | -28 | 26 | 27 | -28 | 50 | 45 | -5 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2025 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2026 | -- | |||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/31/2026 |
| Next Release Date: 4/30/2026 |