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U.S. Imports of Normal Butane-Butylene (Thousand Barrels)
U.S. Imports of Normal Butane-Butylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 3,429 1,907 1,531 1,192 1,096 1,063 1,131 1,421 1,872 3,147 2,006 2,055
  1982 2,476 1,666 1,292 1,361 1,510 1,816 1,401 1,395 2,203 2,346 1,902 2,185
  1983 2,399 1,352 1,343 946 999 1,004 1,145 1,634 1,035 1,986 1,595 1,948
  1984 1,403 982 1,137 880 1,028 948 671 786 938 1,214 1,701 1,848
  1985 1,857 1,266 1,390 918 1,045 1,282 905 648 842 1,521 1,531 2,417
  1986 1,853 1,879 2,215 1,267 1,699 2,489 3,064 2,539 1,679 1,686 2,290 2,061
  1987 1,865 1,910 1,337 1,492 1,289 1,249 1,942 2,148 2,584 1,799 1,988 2,224
  1988 2,010 2,005 1,451 2,236 1,725 1,289 2,148 2,377 1,671 2,244 2,679 1,925
  1989 1,714 2,602 1,129 520 693 865 1,849 1,789 1,480 1,164 1,800 2,097
  1990 1,630 1,639 701 600 1,155 2,076 1,396 3,059 1,308 1,696 1,453 1,528
  1991 741 467 464 887 367 1,090 1,229 1,298 1,253 2,115 1,669 1,256
  1992 971 665 477 716 521 688 563 1,113 699 1,507 1,123 1,132
  1993 979 926 537 480 1,016 475 646 618 1,352 1,554 981 1,234
  1994 957 529 576 288 349 771 1,136 527 864 1,106 961 449
  1995 557 361 188 279 210 780 475 838 674 489 513 400
  1996 903 398 622 408 736 805 1,010 301 700 201 381 413
  1997 528 455 532 761 956 932 856 1,019 863 652 593 628
  1998 880 878 566 628 1,282 1,097 1,279 360 758 448 262 174
  1999 311 95 225 365 691 597 743 623 381 453 510 661
  2000 953 440 539 293 571 864 537 718 662 492 502 608
  2001 839 794 1,002 1,880 1,598 2,791 573 1,393 1,645 879 869 1,020
  2002 1,207 948 1,200 1,006 1,094 915 503 1,001 766 1,018 696 652
  2003 945 654 1,051 1,339 1,217 2,357 2,221 1,456 1,121 1,379 1,169 916
  2004 991 1,616 1,341 649 922 835 2,132 1,692 1,704 709 849 830
  2005 1,153 2,064 1,477 2,089 2,386 1,778 2,369 2,767 1,646 2,790 1,929 1,651
  2006 1,789 1,678 1,308 2,407 2,439 2,601 2,435 2,539 3,186 2,566 1,381 1,221
  2007 1,579 959 1,027 1,382 1,765 2,527 1,889 1,193 1,171 917 797 1,222
  2008 1,504 1,407 710 1,476 1,339 1,708 1,276 2,581 1,611 1,050 1,174 1,342
  2009 499 487 476 837 1,189 415 406 894 580 856 494 632
  2010 643 531 424 513 515 822 1,026 993 764 629 706 351
  2011 1,372 976 1,202 850 890 1,006 1,004 928 868 845 993 1,076
  2012 428 619 512 501 1,066 793 563 692 679 780 411 418
  2013 400 315

- = 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

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