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| Refining District North Louisiana-Arkansas Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 12 | 8 | 13 | 11 | 11 | 8 | 6 | 10 | 13 | 11 | 7 | 11 |
| 1994 | 12 | 7 | 12 | 4 | 2 | 2 | 2 | 4 | 2 | 3 | 3 | 3 |
| 1995 | 3 | 3 | 3 | 5 | 5 | 5 | 3 | 5 | 2 | 1 | 0 | 0 |
| 1996 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 0 | 0 | 0 | -48 | -27 | -2 | 1 | -5 | 3 | -5 | 2 | -30 |
| 1998 | -19 | -22 | 1 | -9 | -14 | -20 | 0 | -14 | 1 | -21 | -4 | -5 |
| 1999 | -16 | -18 | -12 | 2 | -3 | 3 | -10 | 3 | -4 | -8 | -32 | -55 |
| 2000 | -20 | -31 | -76 | -40 | -13 | -16 | -14 | -18 | -6 | -8 | -8 | -7 |
| 2001 | -4 | -6 | -2 | -4 | -4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2002 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| - = 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 |