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Download Data (XLS File)
U.S. Isobutane Stocks at Natural Gas Processing Plants (Thousand Barrels)
U.S. Isobutane Stocks at Natural Gas Processing Plants (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 464 488 477 563 1,085 921 1,325 1,361 1,039 784 495 596
  1994 543 489 656 585 624 702 763 921 1,023 749 716 596
  1995 734 520 541 579 573 715 719 626 742 855 511 541
  1996 574 579 549 622 597 715 628 544 728 533 534 558
  1997 428 458 326 380 385 454 457 362 394 497 533 539
  1998 557 653 525 480 546 668 579 692 713 583 537 587
  1999 737 895 822 857 892 817 889 754 650 817 704 554
  2000 437 415 264 373 385 459 548 577 561 398 253 397
  2001 387 479 483 544 567 659 613 620 578 571 393 356
  2002 399 674 628 673 714 720 912 915 960 813 899 609
  2003 745 511 378 435 516 657 442 424 363 576 510 458
  2004 386 456 482 435 394 363 472 649 558 389 565 476
  2005 544 607 387 478 421 426 473 657 596 718 511 426
  2006 485 529 537 590 569 772 556 541 513 571 580 336
  2007 484 621 501 527 574 670 570 443 689 930 628 499
  2008 588 531 528 763 743 827

Release Date: 8/26/2008
Next Release Date: Last Week of September 2008

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