View History:    Monthly     Annual   
Download Data (XLS File)
Refining District Indiana-Illinois-Kentucky Refinery Stocks of Isobutylene (Thousand Barrels)
Refining District Indiana-Illinois-Kentucky Refinery Stocks of Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 0 0 0 0 0 0 0 0 0 0 39 48
  2011 67 44 41 18 5 7 15 13 34 10 36 44
  2012 44 124 123 63 94 52 21 69 0 0 0 0
  2013 0 0 0 0 0 0 0 0 0 0 0 0
  2014 0 0 0 0 0 0 0 0 0 0 0 0
  2015 0 0 0 0 0 0 0 0 0 0 0 0
  2016 0 0 0 0 0 0 0 0 0 0 0 0
  2017 0 0 0 0 0 0 0 0 0 0 0 0
  2018 0 0 0 0 0 0 0 0 0 0 0 0
  2019 0 0 0 0 0 0 0 0 0 0 0 0
  2020 0 0 0 0 0 0 0 0 0 0 0 0
  2021 0 0 0 0 0 0 0 0 0 0 0 0
  2022 0 0 0 0 0 0 0 0 0 0 0 0
  2023 0 0 0 0 0 0 0 0 0 0 0 0
  2024 0 0 0 0 0 0 0 0 0 0 0 0
  2025 0 0 0 0 0 0 0 0 0 0 0 0
  2026 0

- = 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

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