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| Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Normal Butane (Thousand Barrels) | ||||||||
| 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 | -459 | -481 | -153 | 970 | 1,343 | 1,224 | 1,177 | 1,149 | 343 | -511 | -455 | -290 |
| 2005 | -558 | -111 | 95 | 1,043 | 1,199 | 1,545 | 1,586 | 1,239 | -261 | -439 | -617 | -254 |
| 2006 | -170 | -182 | 122 | 1,466 | 1,827 | 1,924 | 1,726 | 1,814 | 515 | 544 | 123 | -140 |
| 2007 | -209 | -133 | 347 | 1,637 | 2,030 | 2,043 | 1,951 | 1,847 | 687 | -193 | -492 | -600 |
| 2008 | -188 | -246 | 296 | 1,589 | 1,967 | 1,875 | 1,711 | 1,746 | 388 | -57 | -748 | -424 |
| 2009 | -527 | -347 | 68 | 1,316 | 1,881 | 1,786 | 1,750 | 1,635 | 379 | -600 | -929 | -648 |
| 2010 | -783 | -495 | 330 | 1,325 | 2,046 | 1,767 | 1,958 | 1,889 | 103 | -459 | -787 | -608 |
| 2011 | -837 | -624 | 128 | 1,702 | 1,828 | 1,998 | 2,130 | 1,837 | 415 | -520 | -1,267 | -1,015 |
| 2012 | -972 | -643 | 586 | 1,757 | 1,991 | 1,874 | 1,941 | 1,825 | 407 | -471 | -897 | -1,029 |
| 2013 | -958 | -795 | -33 | 1,537 | 1,861 | 1,951 | 2,090 | 1,918 | 480 | -645 | -1,284 | -1,287 |
| 2014 | -954 | -802 | 331 | 1,753 | 2,457 | 1,883 | 2,331 | 1,873 | 376 | -356 | -1,036 | -1,493 |
| 2015 | -1,090 | -1,031 | 159 | 1,769 | 2,240 | 2,182 | 2,054 | 1,959 | 281 | -1,072 | -1,768 | -1,266 |
| 2016 | -1,488 | -923 | 104 | 1,589 | 2,006 | 2,194 | 2,210 | 2,138 | 126 | -609 | -1,246 | -1,398 |
| 2017 | -1,372 | -648 | 124 | 1,531 | 1,966 | 2,225 | 2,108 | 1,938 | -380 | -567 | -1,883 | -1,695 |
| 2018 | -1,225 | -1,061 | -103 | 1,483 | 2,256 | 1,862 | 1,812 | 1,648 | -48 | -1,489 | -1,668 | -1,551 |
| 2019 | -1,366 | -937 | 49 | 1,609 | 2,150 | 2,198 | 2,283 | 2,077 | 389 | -1,055 | -1,885 | -1,027 |
| 2020 | -1,264 | -907 | 112 | 1,599 | 1,703 | 1,699 | 1,535 | 1,590 | 324 | -993 | -1,668 | -1,304 |
| 2021 | -1,356 | -584 | 122 | 1,642 | 2,245 | 2,020 | 2,012 | 1,740 | 141 | -1,083 | -1,484 | -1,431 |
| 2022 | -1,165 | -777 | 101 | 1,529 | 2,124 | 2,021 | 2,104 | 1,641 | 266 | -1,001 | -1,219 | -1,236 |
| 2023 | -1,169 | -1,056 | 21 | 1,813 | 1,790 | 2,661 | 2,106 | 2,041 | 269 | -1,255 | -1,428 | -1,720 |
| 2024 | -1,087 | -547 | -68 | 1,420 | 2,127 | 2,048 | 1,822 | 1,544 | 148 | -1,299 | -1,733 | -2,102 |
| 2025 | -1,912 | -1,019 | 26 | 1,846 | 2,203 | 2,270 | 2,228 | 2,065 | 569 | -1,090 | -2,026 | -2,386 |
| 2026 | -1,904 | |||||||||||
| - = 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 |