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| Gulf Coast (PADD 3) Refinery and Blender Net Input of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 1,638 | 1,261 | 1,277 | 1,513 | 1,627 | 2,026 | 1,807 | 1,904 | 1,923 | 1,534 | 1,532 | 1,140 |
| 1982 | 2,059 | 853 | 2,030 | 1,611 | 1,245 | 1,350 | 936 | 1,237 | 923 | 1,290 | 1,433 | 2,315 |
| 1983 | 2,310 | 1,348 | 1,408 | 889 | 1,000 | 319 | 1,393 | 1,993 | 1,710 | 759 | 2,008 | 2,320 |
| 1984 | 1,976 | 1,829 | 1,916 | 1,742 | 1,863 | 1,591 | 1,970 | 1,890 | 2,084 | 2,099 | 1,892 | 1,515 |
| 1985 | 1,814 | 1,908 | 2,109 | 2,281 | 2,526 | 2,534 | 2,702 | 2,596 | 2,599 | 2,454 | 2,246 | 2,186 |
| 1986 | 2,162 | 1,872 | 1,810 | 2,200 | 2,500 | 2,101 | 1,807 | 2,331 | 2,435 | 2,570 | 2,552 | 2,645 |
| 1987 | 2,581 | 1,782 | 1,953 | 2,205 | 2,218 | 2,397 | 2,749 | 2,721 | 2,136 | 2,292 | 2,030 | 2,326 |
| 1988 | 2,302 | 2,332 | 2,299 | 2,469 | 2,601 | 2,262 | 2,681 | 2,886 | 2,370 | 2,831 | 2,845 | 2,732 |
| 1989 | 2,423 | 1,919 | 2,310 | 2,536 | 2,689 | 3,304 | 3,023 | 3,196 | 3,028 | 2,818 | 3,019 | 2,930 |
| 1990 | 3,062 | 2,604 | 2,304 | 2,685 | 3,139 | 3,052 | 2,957 | 3,219 | 2,882 | 2,695 | 2,801 | 2,683 |
| 1991 | 2,291 | 2,045 | 2,563 | 2,544 | 2,582 | 2,772 | 3,163 | 2,861 | 2,554 | 2,724 | 2,505 | 2,778 |
| 1992 | 2,191 | 2,377 | 2,826 | 2,946 | 3,276 | 3,393 | 3,465 | 2,986 | 2,850 | 2,707 | 2,408 | 2,775 |
| 1993 | 2,544 | 2,532 | 2,756 | 2,855 | 3,178 | 3,082 | 3,436 | 3,378 | 2,990 | 2,847 | 2,967 | 3,039 |
| 1994 | 2,938 | 2,414 | 2,251 | 2,737 | 3,083 | 3,070 | 3,034 | 2,800 | 2,394 | 2,390 | 2,307 | 2,513 |
| 1995 | 2,149 | 1,808 | 2,481 | 2,718 | 2,523 | 2,509 | 2,907 | 2,573 | 2,677 | 2,694 | 2,269 | 2,333 |
| 1996 | 2,773 | 2,102 | 2,363 | 2,769 | 2,520 | 2,363 | 2,426 | 2,384 | 2,152 | 1,842 | 2,306 | 2,108 |
| 1997 | 2,166 | 2,008 | 2,275 | 2,251 | 2,290 | 2,288 | 2,380 | 2,146 | 1,956 | 2,133 | 2,036 | 2,063 |
| 1998 | 1,960 | 2,170 | 2,261 | 2,183 | 2,310 | 2,202 | 2,040 | 2,261 | 2,081 | 2,209 | 2,158 | 1,728 |
| 1999 | 1,642 | 1,305 | 2,190 | 2,492 | 2,309 | 1,904 | 2,117 | 2,270 | 1,987 | 1,957 | 1,898 | 2,082 |
| 2000 | 1,905 | 1,583 | 2,033 | 1,766 | 1,934 | 1,815 | 1,957 | 1,905 | 2,158 | 1,865 | 2,022 | 1,655 |
| 2001 | 1,353 | 1,432 | 1,887 | 2,396 | 2,719 | 2,473 | 2,530 | 2,237 | 2,088 | 1,772 | 2,033 | 2,021 |
| 2002 | 2,017 | 1,626 | 1,990 | 2,158 | 2,209 | 2,330 | 2,397 | 2,360 | 2,106 | 2,185 | 2,023 | 2,189 |
| 2003 | 1,812 | 1,752 | 2,087 | 1,963 | 2,344 | 2,224 | 2,379 | 2,492 | 2,325 | 2,095 | 2,009 | 2,095 |
| 2004 | 2,087 | 2,149 | 2,107 | 2,515 | 2,734 | 2,490 | 2,525 | 2,537 | 2,347 | 2,452 | 2,062 | 1,894 |
| 2005 | 1,915 | 2,012 | 2,136 | 2,195 | 2,478 | 2,748 | 2,874 | 2,688 | 2,144 | 1,909 | 1,945 | 2,061 |
| 2006 | 2,057 | 1,660 | 2,054 | 2,958 | 3,338 | 3,426 | 3,271 | 3,644 | 3,452 | 3,260 | 2,976 | 3,506 |
| 2007 | 2,965 | 2,584 | 3,188 | 3,212 | 3,554 | 3,337 | 3,533 | 3,496 | 3,464 | 3,150 | 3,513 | 3,310 |
| 2008 | 3,167 | 2,878 | 3,600 | 3,671 | 3,854 | 3,433 | 3,613 | 3,334 | 2,267 | 3,750 | 3,494 | 3,819 |
| 2009 | 3,218 | 2,060 | 2,845 | 3,392 | 3,587 | 3,454 | 3,413 | 3,487 | 3,159 | 3,204 | 3,382 | 3,588 |
| 2010 | 2,434 | 2,070 | 2,675 | 2,915 | 3,244 | 3,026 | 3,207 | 2,930 | 2,525 | 2,938 | 2,878 | 3,306 |
| 2011 | 2,840 | 2,293 | 3,029 | 3,083 | 3,398 | 3,528 | 3,481 | 3,596 | 3,457 | 3,676 | 3,411 | 3,007 |
| 2012 | 2,598 | 2,920 | 3,186 | 3,601 | 3,696 | 4,025 | 3,896 | 3,557 | 2,916 | 3,587 | 3,319 | 3,178 |
| 2013 | 3,000 | 2,615 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/29/2013 |
| Next Release Date: Last Week of May 2013 |