View History:    Monthly     Annual   
Download Data (XLS File)
Rocky Mountain (PADD 4) Field Production of Isobutane (Thousand Barrels per Day)
Rocky Mountain (PADD 4) Field Production of Isobutane (Thousand Barrels per Day)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 8
  1990's 8 10 11 10 10 10 10 10 10 11
  2000's 12 11 11 10 11 10 9 9 11 12
  2010's 13 14 15 16 18 22 24 25 27 32
  2020's 33 32 32 34


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/29/2024
Next Release Date: 8/29/2025

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