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West Coast (PADD 5) Ending Stocks of Normal Butane-Butylene(Thousand Barrels)
West Coast (PADD 5) Ending Stocks of Normal Butane-Butylene(Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 813 743 706 739 759 931 1,013 1,028 1,071 1,116 1,133 856
  1982 734 625 639 735 759 799 909 993 1,064 1,088 1,113 959
  1983 820 757 711 792 751 936 1,165 1,678 1,700 1,724 1,487 1,106
  1984 783 637 751 741 824 885 1,138 1,525 1,611 1,516 1,117 1,048
  1985 854 758 907 1,170 1,507 2,078 2,227 2,391 2,463 2,491 2,054 1,530
  1986 1,481 905 1,190 1,319 1,345 1,445 1,801 2,045 2,528 2,416 2,004 1,758
  1987 771 552 680 787 879 1,194 1,568 1,851 2,195 2,444 2,005 1,271
  1988 592 467 710 973 1,190 1,731 2,055 2,416 2,116 2,748 2,432 1,702
  1989 1,068 1,047 1,634 2,045 2,415 2,620 3,189 3,022 3,220 3,155 2,398 2,701
  1990 1,072 810 884 1,391 1,691 1,903 2,198 2,731 3,163 3,381 2,438 1,574
  1991 1,291 976 1,281 1,311 1,449 1,671 1,940 2,215 2,336 2,766 2,103 1,006
  1992 849 797 985 1,265 1,528 2,025 2,510 2,631 2,859 3,172 2,604 1,757
  1993 1,187 1,078 1,280 1,567 2,064 2,276 2,321 2,996 2,903 3,312 2,798 1,817
  1994 1,026 783 1,322 1,436 1,452 2,339 2,258 2,641 2,992 3,242 2,384 1,408
  1995 1,162 1,048 1,196 1,842 1,932 2,264 2,680 2,943 3,459 3,779 2,654 2,022
  1996 1,323 1,228 1,370 1,804 1,882 2,340 2,678 3,102 3,236 3,514 2,471 2,064
  1997 915 679 1,067 1,413 1,903 1,942 2,248 3,067 3,519 3,887 2,747 1,882
  1998 1,111 1,188 1,792 2,130 2,912 2,894 3,095 3,515 3,831 3,615 3,190 1,765
  1999 1,205 1,202 1,708 2,155 2,602 2,568 2,952 3,431 3,312 3,273 2,249 1,306
  2000 841 823 1,126 1,928 2,040 2,382 2,196 2,906 3,718 3,962 3,557 2,185
  2001 847 580 978 1,264 1,852 2,560 2,657 3,027 3,972 4,273 3,237 2,236
  2002 1,206 1,006 1,725 2,013 2,083 1,690 2,347 2,641 3,278 3,533 2,449 1,397
  2003 946 882 1,000 1,625 1,695 1,995 2,303 2,428 2,615 2,901 2,440 1,879
  2004 1,184 1,266 1,541 1,331 1,810 1,848 1,755 2,273 2,597 2,885 2,228 1,232
  2005 1,119 999 1,386 1,360 1,676 2,052 2,189 2,413 2,647 2,809 2,581 1,280
  2006 896 962 1,261 1,910 2,227 2,428 2,653 3,089 3,563 3,988 2,868 1,746
  2007 1,091 913 1,438 1,885 2,258 2,807 2,949 3,852 4,618 4,706 3,999 2,869
  2008 1,239 793 1,066 1,597 2,770 3,361 3,902 4,570 4,838 5,132 4,290 2,539
  2009 1,603 1,304 1,607 1,903 1,907 2,579 2,573 3,470

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/29/2009
Next Release Date: Last Week of November 2009

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