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Download Data (XLS File) |
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| Refining District East Coast Refinery and Blender Net Production of Isobutane (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1994 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1995 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1996 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1997 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1998 | W | W | W | W | W | W | W | W | W | W | W | W |
| 1999 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2000 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2001 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2002 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2003 | W | W | W | W | W | W | W | W | W | W | W | W |
| 2004 | -2 | -4 | -12 | -5 | -3 | -6 | -5 | -4 | -7 | -8 | -7 | -7 |
| 2005 | -5 | -4 | -6 | -3 | -3 | -7 | -4 | -8 | -8 | -3 | -7 | -7 |
| 2006 | 0 | 4 | -5 | -2 | 8 | 0 | -2 | -5 | -3 | -1 | -2 | 1 |
| 2007 | 0 | -5 | 1 | 0 | 0 | -2 | 7 | 1 | 3 | 0 | -2 | 2 |
| 2008 | 2 | -2 | 3 | 4 | 0 | 2 | 0 | -2 | 7 | 1 | -3 | 6 |
| 2009 | -4 | -2 | -1 | -5 | 3 | 2 | -4 | 3 | -7 | 2 | 3 | -1 |
| 2010 | -1 | -1 | -9 | 2 | 3 | 1 | -2 | -5 | -4 | -4 | -2 | -5 |
| 2011 | -2 | -4 | -4 | -8 | -3 | -4 | -5 | -5 | -7 | -1 | 1 | 1 |
| 2012 | 3 | 3 | -1 | 0 | 0 | 2 | 2 | -2 | -2 | -1 | -3 | -2 |
| 2013 | -2 | -4 | -3 | 0 | 2 | 0 | 2 | 1 | 0 | -1 | 1 | -1 |
| 2014 | -1 | 0 | 0 | 1 | 1 | -1 | 1 | 1 | 0 | 0 | 0 | -1 |
| 2015 | 1 | -1 | 0 | 0 | 1 | 0 | 0 | 1 | -3 | -1 | -1 | 1 |
| 2016 | 0 | -1 | -1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | -1 | -1 |
| 2017 | 1 | -2 | -1 | -1 | -1 | 0 | 0 | 0 | -1 | 1 | 0 | -1 |
| 2018 | -1 | 0 | -2 | 0 | 0 | -1 | -1 | 0 | 0 | -1 | 1 | -1 |
| 2019 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | -1 | 1 | -1 | -1 | -1 |
| 2020 | 0 | 0 | -2 | -1 | -1 | -2 | -3 | -2 | -4 | -5 | -5 | -4 |
| 2021 | -5 | -3 | -3 | -5 | -2 | -2 | -1 | -1 | -2 | 1 | 0 | -1 |
| 2022 | 0 | -1 | -3 | -6 | -1 | -1 | 0 | 0 | -1 | 0 | -1 | 1 |
| 2023 | -1 | 0 | 0 | -1 | -2 | 1 | 0 | -1 | -2 | 2 | 0 | -1 |
| 2024 | -1 | 0 | 0 | -1 | -3 | -4 | -2 | -2 | -1 | 0 | -2 | -1 |
| 2025 | -2 | -5 | -5 | -2 | -1 | -1 | 0 | -2 | ||||
| - = 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 |