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U.S. Ending Stocks of Normal Butane-Butylene (Thousand Barrels)
U.S. Ending Stocks of Normal Butane-Butylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 26,098 24,979 24,689 27,512 29,618 31,716 34,052 35,969 38,379 37,241 33,208 27,219
  1982 23,654 21,013 17,235 16,948 18,596 21,014 22,036 23,837 24,248 22,251 19,106 15,377
  1983 12,829 12,895 14,368 16,987 18,227 20,078 22,371 25,215 25,792 26,412 23,168 18,355
  1984 18,323 16,228 16,976 17,721 19,180 19,698 21,216 22,112 21,518 18,727 15,895 13,681
  1985 13,523 12,596 12,296 14,121 16,580 19,811 21,297 22,673 22,035 20,037 17,479 14,975
  1986 13,865 12,404 13,226 14,450 15,730 19,450 23,249 26,981 28,251 26,248 20,988 15,859
  1987 11,751 10,762 11,301 13,109 13,726 16,180 19,160 22,663 24,492 23,645 20,936 16,542
  1988 13,602 11,798 12,333 14,599 16,877 19,934 24,675 28,799 29,169 29,698 25,827 21,009
  1989 16,644 15,710 16,248 18,243 22,112 24,792 29,193 32,352 31,747 27,210 21,146 16,804
  1990 12,902 11,981 15,182 18,132 23,197 28,349 33,105 38,877 36,647 33,658 25,529 19,321
  1991 14,282 12,029 15,837 19,925 25,272 27,718 31,615 36,744 35,817 34,170 27,215 18,970
  1992 12,505 11,074 15,459 22,227 27,423 30,786 34,995 40,456 39,315 35,942 28,367 20,332
  1993 13,914 12,877 16,219 20,612 26,339 30,652 34,714 41,062 41,386 38,689 32,276 24,812
  1994 17,463 13,086 14,790 18,923 22,811 28,550 32,287 36,296 35,469 32,183 26,385 19,688
  1995 14,797 12,074 15,503 19,958 24,089 29,495 34,963 40,642 43,095 38,294 30,267 20,819
  1996 14,161 11,410 13,328 17,381 19,490 22,755 27,519 34,006 34,918 31,423 23,591 17,992
  1997 13,254 10,359 11,705 16,679 22,087 28,307 33,087 39,440 38,627 34,883 27,886 18,373
  1998 12,826 11,938 13,918 20,215 26,935 32,472 37,201 42,639 43,477 38,584 30,957 22,145
  1999 16,191 13,733 15,196 19,960 26,633 31,124 36,662 41,967 38,368 32,654 29,024 19,272
  2000 14,010 10,819 11,904 16,547 21,388 25,457 30,251 35,722 37,408 31,299 26,522 19,118
  2001 12,902 11,124 12,723 16,623 22,051 28,642 33,677 40,346 42,086 38,139 31,143 24,758
  2002 17,694 14,605 16,368 21,075 25,473 30,025 35,497 42,256 41,654 38,053 29,225 22,213
  2003 16,338 12,424 12,514 16,252 20,937 26,033 30,581 34,434 33,649 31,587 26,175 20,380
  2004 16,483 13,383 14,157 16,156 22,502 27,481 33,981 40,879 40,948 36,943 28,921 21,606
  2005 16,105 13,515 15,276 22,402 30,245 37,285 44,791 49,320 44,168 37,474 28,952 20,867
  2006 16,146 14,706 15,679 21,376 27,032 32,018 37,136 42,587 43,020 40,976 32,559 24,835
  2007 18,317 14,238 15,359 19,476 26,250 32,280 36,039 42,420 42,547 37,300 28,962 21,862
  2008 16,161 13,486 14,895 20,909 29,017 35,635 40,399 46,037 46,942 40,492 31,779 23,031
  2009 15,909 13,360 15,052 22,106 29,209 36,212 43,158 50,622 49,774 43,743 32,375 24,149
  2010 18,004 14,564 16,424 20,720 26,675 34,145 40,469 48,085 48,581 45,101 37,612 27,652
  2011 22,616 17,169 18,372 24,144 30,505 37,810 45,496 51,962 51,833 47,582 37,371 26,779
  2012 21,011 16,735 18,398 24,175 32,840 41,839 49,690 56,839 56,776 49,859 38,880 28,574
  2013 22,539 18,016 18,938 25,016 34,288 42,789 50,156 58,114 59,057 53,342 41,511 30,288
  2014 20,759 16,879 18,688 25,358 34,263 43,641 54,188 62,491 63,117 56,752 45,072 33,230
  2015 24,454 20,838 23,235 31,963 40,903 49,422 56,146 64,672 66,764 60,789 48,893 37,329
  2016 25,538 20,780 23,234 28,405 36,130 45,316 56,184 67,073 65,164 57,324 45,072 32,251
  2017 24,596 21,692 22,216 28,667 39,566 47,746 56,174 66,003 65,256 62,253 52,059 39,025
  2018 26,882 18,759 22,820 30,092 38,948 46,788 56,954 67,814 68,537 61,416 49,168 38,909
  2019 30,024 26,916 29,470 37,351 49,440 59,102 68,899 75,405 74,749 64,213 50,436 40,944
  2020 33,323 28,375 31,266 40,282 47,137 57,573 65,751 71,467 71,954 61,344 49,881 42,274
  2021 33,446 28,276 26,682 32,384 38,497 44,664 51,197 56,537 59,376 53,872 43,461 34,199
  2022 -- -- -- -- -- -- -- -- -- -- -- --
  2023 -- -- -- -- -- -- -- -- -- -- -- --
  2024 -- -- -- -- -- -- -- -- --

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 11/29/2024
Next Release Date: 12/31/2024

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