View History:    Monthly     Annual   
Download Data (XLS File)
Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Refinery Olefins (Thousand Barrels per Day)
Refining District Indiana-Illinois-Kentucky Refinery and Blender Net Production of Refinery Olefins (Thousand Barrels per Day)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2010 31 35 29 32 34 35 39 36 29 27 29 36
  2011 36 35 38 40 37 35 32 31 34 31 28 29
  2012 30 31 35 36 37 36 31 31 26 23 23 25
  2013 26 28 36 29 31 26 33 33 30 31 32 29
  2014 29 31 21 24 29 31 25 33 28 23 32 33
  2015 22 25 27 34 36 34 34 31 31 22 27 30
  2016 31 32 32 28 33 35 32 34 33 28 24 27
  2017 26 29 36 37 36 36 30 33 37 43 34 30
  2018 28 29 29 33 35 33 35 34 32 24 34 33
  2019 33 25 31 35 32 30 37 34 33 21 30 29
  2020 32 32 30 31 27 28 32 34 34 27 27 28
  2021 32 32 31 34 32 35 34 37 35 28 31 31
  2022 29 31 29 33 31 34 34 34 27 22 23 23
  2023 26 25 29 33 37 32 26 39 34 25 22 27
  2024 31 24 29 34 32 28 27 30 24 18 26 30
  2025 32 29 25 29 34 31 36 30

- = 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

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