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| U.S. Refinery Net Production of Isobutane-Isobutylene (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | -18 | -31 | -38 | -30 | -43 | -42 | -33 | -29 | -34 | -28 | -11 | -27 |
| 2006 | 0 | -1 | -2 | -5 | 14 | -10 | -3 | 4 | -3 | -1 | -6 | 1 |
| 2007 | 12 | 23 | 14 | 2 | 12 | 3 | 12 | 2 | 4 | 3 | -8 | -9 |
| 2008 | 4 | 6 | 18 | 16 | 11 | 8 | -1 | 4 | 11 | -2 | 2 | 17 |
| 2009 | 13 | 7 | -4 | -2 | -11 | 1 | -11 | 2 | -8 | -2 | 4 | 19 |
| 2010 | 5 | -3 | -7 | 0 | 1 | 2 | 0 | -11 | -9 | -6 | -6 | -7 |
| 2011 | 5 | 19 | 5 | 1 | -1 | 0 | -12 | -5 | -6 | -7 | 2 | -2 |
| 2012 | 3 | 12 | 18 | 17 | -9 | -5 | 3 | -5 | -4 | 13 | -3 | -8 |
| 2013 | 6 | 14 | -8 | 3 | -5 | -2 | -4 | -8 | -12 | -16 | -12 | -21 |
| 2014 | -12 | -4 | -5 | -4 | -1 | -8 | -21 | -5 | -5 | -9 | -10 | -23 |
| 2015 | -12 | -3 | -4 | -6 | -10 | -3 | -10 | -3 | -8 | -10 | 1 | -11 |
| 2016 | -15 | 0 | -1 | -3 | 0 | -3 | -3 | -5 | -8 | -9 | -13 | -13 |
| 2017 | -10 | 5 | 15 | 0 | -6 | -4 | -11 | -5 | -7 | 1 | -23 | -23 |
| 2018 | -21 | -20 | -4 | -13 | -12 | -12 | -18 | -2 | -10 | -16 | -18 | -21 |
| 2019 | -11 | -5 | -10 | -13 | -9 | -11 | -15 | -17 | -14 | -18 | -23 | -32 |
| 2020 | -25 | -21 | -6 | -11 | -25 | -16 | -16 | -24 | -25 | -24 | -27 | -33 |
| 2021 | -24 | -14 | 4 | -10 | -4 | -3 | -5 | -7 | -13 | -7 | -12 | -11 |
| 2022 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024 | -- | -- | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/30/2024 |
| Next Release Date: 5/31/2024 |