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Download Data (XLS File)
U.S. Isobutane-Isobutylene Product Supplied (Thousand Barrels)
U.S. Isobutane-Isobutylene Product Supplied (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 215 -11 148 45 112 121 90 128 21 2 2 294
  1982 8 2 0 -5 1 -14 -70 -26 -14 112 -30 20
  1983 18 3 6 20 8 29 22 23 43 3 59 55
  1984 1,225 -266 415 419 -81 -739 17 67 -197 -62 1,081 851
  1985 1,379 1,377 879 1,045 598 309 524 -580 262 343 1,363 1,347
  1986 1,800 1,349 1,667 -34 1,030 866 1,901 555 1,019 1,283 1,377 2,017
  1987 1,540 2,420 1,342 1,172 61 2,693 1,478 1,119 860 1,792 1,976 1,869
  1988 2,925 1,972 1,689 1,223 1,362 585 952 872 1,179 1,819 1,670 2,073
  1989 1,305 998 765 1,037 965 676 438 778 42 1,369 503 287
  1990 982 530 869 598 -101 533 1,194 627 207 644 -103 943
  1991 1,476 927 990 886 1,004 356 1,490 385 1,181 1,248 1,487 1,422
  1992 -912 3,433 729 992 813 1,306 821 514 613 1,624 1,880 1,378
  1993 1,169 1,225 1,284 1,580 838 1,724 940 1,852 1,161 2,001 2,098 1,831
  1994 1,792 1,525 2,294 2,146 1,497 1,713 3,229 2,489 1,877 2,316 2,743 2,360
  1995 2,343 2,086 1,211 2,415 2,185 2,348 1,710 1,858 2,527 1,731 2,661 1,590
  1996 2,162 1,878 2,432 1,914 3,029 2,829 2,297 2,456 3,244 2,461 2,809 1,657
  1997 2,482 3,129 2,994 2,537 2,146 2,493 2,373 2,830 2,934 3,563 2,908 3,396
  1998 2,759 2,837 2,086 3,352 2,450 3,052 3,363 2,109 2,908 3,298 2,513 2,836
  1999 2,806 2,964 2,326 2,260 2,757 3,113 3,525 2,547 2,984 2,896 3,087 3,333
  2000 3,439 3,341 2,953 2,944 3,090 3,181 3,138 3,016 2,691 3,613 3,085 2,563
  2001 2,352 2,607 2,447 2,927 2,489 3,319 2,749 2,740 2,791 3,326 2,668 2,856
  2002 2,013 1,643 2,765 1,863 2,919 2,861 2,470 2,795 2,256 2,182 2,658 2,788
  2003 2,330 2,598 2,662 2,747 1,402 1,159 1,991 2,003 2,084 933 3,014 2,952
  2004 1,477 1,826 513 1,217 868 585 161 493 220 1,908 745 935
  2005 796 303 787 253 718 1,074 1,324 887 1,172 944 1,323 1,547
  2006 935 982 291 75 -78 564 1,270 185 999 113 -199 257
  2007 661 778 546 -587 -560 352 -79 85 -504 -116 350 898
  2008 241 661 128 -116 -453 -130 -208 167 71 191

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 12/29/2008
Next Release Date: Last Week of January 2009

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