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| Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Residual Fuel Oil, Greater Than 1% Sulfur (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 55 | 60 | 52 | 52 | 50 | 42 | 45 | 36 | 43 | 52 | 50 | 61 |
| 1994 | 55 | 58 | 53 | 45 | 45 | 37 | 44 | 41 | 44 | 39 | 50 | 59 |
| 1995 | 48 | 45 | 32 | 36 | 28 | 36 | 28 | 28 | 32 | 45 | 47 | 48 |
| 1996 | 43 | 34 | 34 | 43 | 25 | 26 | 30 | 21 | 23 | 25 | 30 | 24 |
| 1997 | 34 | 41 | 31 | 28 | 33 | 34 | 25 | 29 | 35 | 30 | 40 | 47 |
| 1998 | 51 | 50 | 42 | 62 | 37 | 39 | 37 | 35 | 28 | 31 | 42 | 36 |
| 1999 | 26 | 26 | 25 | 40 | 35 | 32 | 33 | 36 | 42 | 25 | 24 | 26 |
| 2000 | 34 | 27 | 25 | 33 | 34 | 28 | 35 | 33 | 28 | 46 | 45 | 50 |
| 2001 | 53 | 61 | 56 | 49 | 37 | 37 | 37 | 29 | 33 | 24 | 28 | 42 |
| 2002 | 41 | 31 | 26 | 41 | 25 | 32 | 35 | 35 | 34 | 26 | 41 | 40 |
| 2003 | 35 | 36 | 34 | 32 | 30 | 33 | 38 | 39 | 32 | 37 | 33 | 32 |
| 2004 | 34 | 38 | 29 | 40 | 33 | 41 | 40 | 36 | 35 | 40 | 41 | 40 |
| 2005 | 32 | 40 | 32 | 33 | 39 | 34 | 32 | 34 | 38 | 38 | 42 | 41 |
| 2006 | 43 | 32 | 30 | 43 | 39 | 41 | 39 | 37 | 38 | 34 | 37 | 43 |
| 2007 | 38 | 41 | 37 | 44 | 42 | 44 | 43 | 39 | 42 | 43 | 37 | 43 |
| 2008 | 39 | 40 | 32 | 29 | 32 | 33 | 31 | 29 | 32 | 30 | 32 | 28 |
| 2009 | 30 | 33 | 27 | 26 | 28 | 30 | 27 | 21 | 26 | 38 | 34 | 28 |
| 2010 | 25 | 25 | 25 | 30 | 31 | 35 | 31 | 34 | 29 | 25 | 29 | 33 |
| 2011 | 27 | 30 | 29 | 33 | 20 | 30 | 35 | 28 | 34 | 32 | 39 | 39 |
| 2012 | 32 | 26 | 25 | 25 | 28 | 32 | 36 | 33 | 28 | 29 | 30 | 25 |
| 2013 | 31 | 35 | 34 | 29 | 29 | 30 | 31 | 35 | 31 | 36 | 37 | 41 |
| 2014 | 35 | 39 | 44 | 30 | 33 | 37 | 43 | 39 | 37 | 31 | 30 | 31 |
| 2015 | 32 | 33 | 44 | 41 | 36 | 33 | 35 | 43 | 31 | 35 | 35 | 37 |
| 2016 | 31 | 31 | 35 | 36 | 29 | 31 | 37 | 37 | 35 | 31 | 32 | 33 |
| 2017 | 37 | 30 | 28 | 29 | 31 | 31 | 34 | 38 | 37 | 30 | 31 | 34 |
| 2018 | 29 | 30 | 25 | 32 | 32 | 30 | 30 | 35 | 34 | 28 | 33 | 44 |
| 2019 | 35 | 26 | 27 | 23 | 24 | 27 | 33 | 26 | 25 | 30 | 41 | 27 |
| 2020 | 16 | 15 | 7 | 5 | 9 | 8 | 12 | 12 | 11 | 13 | 12 | 9 |
| 2021 | 12 | 16 | 13 | 10 | 12 | 18 | 21 | 12 | 14 | 15 | 18 | 13 |
| 2022 | 14 | 16 | 9 | 13 | 13 | 16 | 10 | 12 | 13 | 14 | 14 | 13 |
| 2023 | 8 | 9 | 13 | 12 | 13 | 13 | 12 | 18 | 14 | 13 | 14 | 13 |
| 2024 | 12 | 12 | 15 | 7 | 17 | 17 | 12 | 18 | 18 | 20 | 15 | 17 |
| 2025 | 18 | 20 | 19 | 24 | 24 | 22 | 19 | 22 | ||||
| - = 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 |