View History:    Monthly     Annual   
Download Data (XLS File)
Rocky Mountain (PADD 4) Isobutane-Isobutylene Stocks at Refineries (Thousand Barrels)
Rocky Mountain (PADD 4) Isobutane-Isobutylene Stocks at Refineries (Thousand Barrels)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1990's 126 105 127 89 81 133 139
  2000's 75 80 67 86 75 73 61 87 66 95
  2010's 98 106 94 86 111 143 100 101 88 84
  2020's 77 97


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2022
Next Release Date: 8/31/2023

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