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| U.S. Refinery and Blender Net Production of Normal Butane-Butylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 799 | 890 | 736 | 1,087 | 1,210 | 1,603 | 1,460 | 823 | 815 | 293 | 337 | -299 |
| 1982 | -399 | 146 | 58 | 430 | 313 | 735 | 800 | 662 | 529 | 116 | -208 | -159 |
| 1983 | -88 | 197 | 793 | 1,071 | 1,029 | 1,779 | 2,023 | 2,012 | 1,935 | 1,656 | 1,093 | 1,019 |
| 1984 | 1,237 | 1,200 | 2,330 | 2,414 | 2,664 | 3,059 | 2,738 | 2,555 | 1,375 | 1,475 | 773 | 851 |
| 1985 | 1,633 | 2,090 | 2,509 | 2,809 | 2,997 | 3,491 | 3,431 | 3,199 | 2,791 | 1,767 | 1,216 | 2,145 |
| 1986 | 2,884 | 2,926 | 3,065 | 3,482 | 2,972 | 3,195 | 3,939 | 3,323 | 2,504 | 2,724 | 2,168 | 1,828 |
| 1987 | 2,431 | 2,345 | 3,737 | 3,674 | 3,344 | 3,519 | 4,264 | 3,537 | 3,249 | 2,947 | 2,197 | 2,484 |
| 1988 | 3,095 | 3,152 | 4,047 | 3,595 | 3,507 | 4,180 | 4,381 | 4,437 | 3,745 | 3,772 | 2,630 | 2,812 |
| 1989 | 2,848 | 2,751 | 4,503 | 5,103 | 6,359 | 6,064 | 6,102 | 5,670 | 4,192 | 3,223 | 2,000 | 1,094 |
| 1990 | 1,057 | 915 | 3,600 | 3,667 | 4,590 | 4,570 | 4,241 | 3,810 | 1,451 | 198 | -1,792 | -1,695 |
| 1991 | -1,081 | 1,127 | 3,963 | 4,848 | 5,809 | 5,482 | 4,914 | 4,621 | 1,367 | 549 | -1,357 | -1,571 |
| 1992 | -979 | 1,348 | 5,248 | 6,905 | 6,777 | 6,731 | 7,094 | 6,766 | 2,766 | 1,551 | -928 | -1,505 |
| 1993 | -1,592 | 81 | 4,874 | 6,397 | 6,841 | 7,029 | 7,027 | 6,590 | 2,820 | 256 | -1,422 | -1,975 |
| 1994 | -1,121 | 917 | 4,074 | 6,793 | 7,020 | 7,192 | 7,368 | 7,012 | 2,938 | 857 | -1,984 | -795 |
| 1995 | -147 | 739 | 4,574 | 7,205 | 8,098 | 7,822 | 7,496 | 7,607 | 2,562 | -439 | -2,052 | -1,915 |
| 1996 | -740 | 419 | 4,196 | 6,936 | 7,512 | 7,179 | 6,781 | 6,456 | 2,709 | 249 | -2,456 | -1,572 |
| 1997 | -882 | -113 | 3,304 | 6,436 | 7,070 | 7,190 | 7,229 | 7,564 | 1,890 | -1,042 | -3,408 | -3,036 |
| 1998 | -2,023 | 154 | 3,672 | 6,673 | 7,280 | 6,242 | 6,939 | 6,495 | 1,305 | -732 | -3,147 | -3,525 |
| 1999 | -2,816 | -893 | 3,672 | 7,112 | 7,064 | 6,614 | 6,936 | 7,591 | 3,064 | -978 | -3,660 | -4,490 |
| 2000 | -2,349 | -736 | 3,129 | 7,293 | 8,031 | 7,793 | 8,290 | 7,951 | 1,867 | -518 | -4,369 | -2,564 |
| 2001 | -1,883 | -456 | 3,535 | 7,230 | 8,394 | 8,077 | 8,146 | 7,834 | 2,007 | -1,405 | -4,193 | -3,749 |
| 2002 | -2,926 | -322 | 3,287 | 6,698 | 7,286 | 7,201 | 7,929 | 7,801 | 1,370 | -1,443 | -4,969 | -4,198 |
| 2003 | -3,157 | -1,738 | 3,587 | 7,627 | 8,854 | 7,480 | 7,961 | 7,649 | 1,086 | -1,693 | -4,930 | -4,567 |
| 2004 | -3,956 | -2,487 | 2,455 | 7,248 | 8,141 | 7,614 | 7,833 | 7,286 | 1,447 | -3,438 | -5,719 | -5,471 |
| 2005 | -4,241 | -2,244 | 2,431 | 7,319 | 7,538 | 8,436 | 7,899 | 7,186 | -1,646 | -5,191 | -6,118 | -5,780 |
| 2006 | -4,576 | -1,059 | 2,566 | 6,834 | 7,967 | 7,988 | 8,187 | 8,070 | 1,319 | -1,148 | -5,203 | -6,638 |
| 2007 | -4,405 | -2,107 | 2,991 | 7,213 | 8,490 | 8,340 | 7,421 | 7,633 | 1,271 | -1,847 | -5,654 | -5,061 |
| 2008 | -3,580 | -1,489 | 3,509 | 7,608 | 9,271 | 8,858 | 8,747 | 8,159 | 2,144 | -1,710 | -4,989 | -5,641 |
| 2009 | -3,959 | -999 | 2,528 | 6,662 | 7,359 | 7,796 | 7,675 | 8,193 | 1,632 | -2,084 | -5,883 | -4,772 |
| 2010 | -2,313 | -1,018 | 4,299 | 7,343 | 8,155 | 8,251 | 8,207 | 6,693 | 1,514 | -1,119 | -4,963 | -4,768 |
| 2011 | -4,818 | -2,135 | 2,519 | 6,545 | 7,264 | 7,749 | 7,972 | 7,037 | 627 | -2,279 | -6,312 | -6,720 |
| 2012 | -4,012 | -1,901 | 3,204 | 7,074 | 8,510 | 7,370 | 7,911 | 6,829 | 532 | -3,094 | -5,945 | -6,281 |
| 2013 | -4,493 | -2,179 | ||||||||||
| - = 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 |