View History:    Monthly     Annual   
Download Data (XLS File)
West Coast (PADD 5) Field Production of Isobutane (Thousand Barrels)
West Coast (PADD 5) 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 221 257 121 770 966 1,045 2,698 2,997 2,306
  1990's 2,260 4,418 4,877 5,267 4,922 5,105 5,740 7,206 6,187 5,470
  2000's 4,797 4,981 4,817 4,977 5,906 6,049 5,777 6,166 6,230 6,096
  2010's 4,612 5,454 5,393 4,704 4,195 4,123 4,180 4,693 4,735 4,130
  2020's 3,206


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/30/2021
Next Release Date: 8/31/2022

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