View History:    Monthly     Annual   
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Rocky Mountain (PADD 4) Field Production of Isobutane (Thousand Barrels)
Rocky Mountain (PADD 4) Field Production of Isobutane (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 59 69 69 1,541 1,842 1,878 2,121 2,786 2,761
  1990's 2,759 3,510 3,919 3,687 3,621 3,789 3,606 3,599 3,667 3,966
  2000's 4,239 4,035 3,981 3,786 3,903 3,605 3,219 3,273 4,112 4,358
  2010's 4,779 5,143 5,332 5,932 6,723 7,907 8,939 9,120 9,691 11,629
  2020's 12,170 11,724 11,647 12,200


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/30/2024
Next Release Date: 8/30/2024

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