View History:    Monthly     Annual   
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U.S. Refinery Net Input of Isobutane (Thousand Barrels)
U.S. Refinery Net Input of Isobutane (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2009 5,592 4,470 5,566 5,819 6,465 6,265 5,963 6,119 5,608 5,804 5,858 6,056
  2010 4,770 3,971 4,414 5,009 5,804 5,596 5,522 5,466 4,756 5,024 5,077 5,582
  2011 5,146 4,351 5,540 5,424 5,774 6,071 5,974 6,296 5,929 6,149 6,029 5,245
  2012 4,688 5,033 5,443 6,006 6,027 6,725 6,586 6,248 5,887 6,361 5,808 5,616
  2013 5,451 4,784 5,846 5,256 5,542 6,021 6,479 6,345 6,417 6,116 5,872 6,065
  2014 5,517 5,018 6,170 5,902 6,676 6,407 6,687 6,374 6,215 6,155 6,385 6,288
  2015 5,633 4,960 5,376 5,319 6,099 6,483 6,342 6,919 6,854 6,151 6,700 6,569
  2016 6,375 5,741 6,532 6,380 6,345 6,355 6,863 6,862 6,660 6,607 6,930 6,660
  2017 6,505 5,405 5,880 6,196 7,033 6,558 6,943 6,886 6,397 6,496 6,249 6,792
  2018 5,861 6,257 7,209 7,100 7,005 6,582 6,210 7,114 6,391 6,750 6,511 6,843
  2019 6,523 5,997 6,813 6,232 6,655 6,541 6,664 7,059 6,715 6,765 6,696 6,573
  2020 6,725 5,994 6,223 4,234 5,228 6,262 6,896 6,332 6,013 6,122 5,785 5,409
  2021 5,571 4,322 5,560 5,149 6,442 6,326 6,705 6,753 5,533 6,260 6,407 6,618
  2022 6,012 5,522 6,421 6,745 7,072 6,865 7,259 7,219 7,112 6,996 7,116 6,749
  2023 6,800 6,219 6,981 6,587 7,162 7,028 7,122 7,248 6,629 7,150 6,913 7,552
  2024 6,972


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/29/2024
Next Release Date: 4/30/2024

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