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|View History: Annual Download Data (XLS File)                                                
|View History: Annual                                                                          
|View History: Annual                                                                          
|View History:                                                                                 
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|U.S. Refinery Normal Butane/Butylene Shell Storage Capacity as of January 1 (Thousand Barrels)
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|U.S. Refinery Normal Butane/Butylene Shell Storage Capacity as of January 1 (Thousand Barrels)
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|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1980's                                                                                                                            |        |        | 19,126 | 22,633 | 20,963 | 20,544 | 20,219 | 20,969 | 19,650 | 19,511
|1990's                                                                                                                            | 20,082 | 23,220 | 24,377 | 25,016 | 27,251 | 32,477 | NA     | 26,157 | NA     | 20,041
|2000's                                                                                                                            | 18,763 | 20,835 | 22,855 | 24,234 | 23,852 | 23,328 | 23,438 | 22,599 | 24,478 | 23,787
|2010's                                                                                                                            | 25,329 | --     | --     | --     | --     | --     | --     | --     | --     | --    
|2020's                                                                                                                            | --     | --     | --     | --     | --     |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 6/14/2024                                                                                                          
|Next Release Date: June 2025