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| Rocky Mountain (PADD 4) Isobutane-Isobutylene Stock Change (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 | 8 | |||||||||
| 1990's | 9 | 0 | 32 | 37 | -57 | 25 | -34 | -9 | 55 | 53 |
| 2000's | -57 | -3 | 42 | -33 | -27 | -6 | -22 | 36 | -43 | 27 |
| 2010's | -4 | 4 | -9 |
| - = 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 |