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| Refining District Minnesota-Wisconsin-North Dakota-South Dakota Refinery and Blender Net Input of Isobutane-Isobutylene (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 | 468 | 511 | 633 | 879 | 1,066 | 947 | 805 | 805 | 783 | |
| 1990's | 903 | 1,108 | 1,398 | 1,215 | 1,108 | 948 | 803 | 745 | 363 | 599 |
| 2000's | 517 | 726 | 766 | 660 | 783 | 796 | 619 | 601 | 558 | 506 |
| 2010's | 530 | 488 | 458 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 3/15/2013 |
| Next Release Date: 9/27/2013 |