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U.S. Isobutane-Isobutylene Stocks in Pipelines (Thousand Barrels)
U.S. Isobutane-Isobutylene Stocks in Pipelines (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 1,137 1,287 1,215 1,585 1,407 1,373 1,654 1,178 1,078 994 988 1,031
  1994 869 933 1,413 1,295 1,174 1,199 1,272 1,168 947 872 1,018 890
  1995 921 1,163 1,508 1,373 1,144 1,101 834 1,376 1,611 1,439 1,354 1,458
  1996 1,271 1,195 1,287 1,289 1,332 1,410 1,561 1,553 1,414 1,341 1,099 1,309
  1997 1,012 1,120 1,193 1,420 1,571 1,580 1,518 1,422 1,367 1,191 1,259 1,205
  1998 1,356 1,340 1,660 1,579 1,458 1,537 1,384 1,377 1,428 1,048 1,110 1,313
  1999 1,320 1,266 1,235 1,095 1,310 1,307 1,306 1,266 1,110 1,166 1,180 1,056
  2000 1,132 1,219 1,439 1,393 1,300 1,439 1,407 1,475 1,559 1,528 1,284 1,247
  2001 1,360 1,459 1,589 1,704 1,903 1,564 1,614 1,790 1,966 1,689 1,702 1,585
  2002 1,492 1,663 1,588 1,693 1,667 1,560 1,394 1,657 1,429 1,356 1,649 1,710
  2003 1,375 1,564 1,576 1,549 1,547 1,315 1,413 1,652 1,592 1,893 1,687 1,414
  2004 1,352 1,324 1,885 1,942 1,767 1,820 1,685 1,656 1,657 1,442 1,270 1,507
  2005 1,444 1,360 1,604 1,503 1,681 1,542 1,686 1,778 1,588 1,807 1,600 1,493
  2006 1,675 1,584 1,928 2,169 2,266 2,303 1,959 1,949 1,319 1,490 1,742 1,464
  2007 1,461 1,247 1,029 1,284 1,145 1,176 1,293 1,143 1,206 1,212 1,072 953
  2008 991 1,151 1,459 1,122 1,134 1,072 1,102 1,124 995 994 919 1,161
  2009 930 1,081 911 942 1,001 846 827 1,126 1,014 1,048 1,091 1,082
  2010 883 1,037 1,092 1,084 1,131 1,054 1,103 921 783 737 876 915
  2011 779 1,037 1,249 1,265 989 969 847 1,003 916 993 804 789
  2012 1,140 1,353 1,289 1,251 1,337 1,261 1,070 1,038 1,314 1,107 1,268 1,357
  2013 1,416 1,075 1,106 1,065 1,274 1,355 1,363 1,166 1,266 1,126 1,279 1,237
  2014 1,250 1,250 1,321 1,504 1,489 1,613 1,515 1,482 1,379 1,443 1,306 1,426
  2015 1,487 1,604 1,639 1,484 1,475 1,570 1,429 1,333 1,180 1,291 1,456 1,348
  2016 1,385 1,347 1,598 1,732 1,600 1,566 1,644 1,703 1,421 1,588 1,635 1,469
  2017 1,538 1,692 1,752 1,767 1,645 1,551 1,621 1,696 1,553 1,551 1,573 1,707
  2018 1,661 1,620 1,745 1,591 1,936 1,635 1,687 1,680 1,674 1,740 1,700 1,676
  2019 1,797 1,951 1,639 1,646 1,726 1,887 1,984 1,660 1,722 2,110 1,875 1,950
  2020 2,139 1,966 1,976 2,253 2,163 2,431 2,134 2,044 2,369 2,300 2,145 2,738
  2021 2,529 2,600 2,294 2,229 2,378 2,533 2,447 2,338 2,204 2,405 2,839 2,609
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 --


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 3/29/2024
Next Release Date: 4/30/2024

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