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Note: These data are available in spreadsheet format by clicking the ''Download Series History'' link on the previous page (with drop-down menu bar at top).
 View History:    Monthly     Annual   
U.S. Refinery and Blender Net Inputs of Normal Butane/Butylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 7,361 4,627 3,631 3,127 2,385 2,656 2,495 2,816 4,310 5,727 7,267 9,339
  1982 7,536 5,968 4,457 3,697 3,729 3,976 4,472 4,412 5,103 6,205 7,438 7,740
  1983 4,972 3,642 2,758 3,164 3,470 4,393 3,385 3,052 3,497 5,544 6,747 6,907
  1984 6,768 5,737 5,071 4,056 3,729 3,450 3,195 3,573 4,575 6,117 7,501 7,303
  1985 6,399 5,460 5,435 3,946 3,180 2,908 3,010 3,848 5,028 6,065 7,397 7,931
  1986 7,247 5,706 4,102 3,744 3,755 2,694 2,326 3,051 4,264 5,803 8,043 9,392
  1987 8,389 5,768 4,689 3,797 3,857 3,112 2,638 2,993 3,642 4,931 6,556 8,005
  1988 7,634 6,244 4,550 3,647 3,428 2,923 2,551 2,911 3,794 5,140 8,209 9,127
  1989 8,210 5,127 3,916 2,419 2,028 1,868 2,256 2,057 3,715 6,480 8,230 7,864
  1990 7,796 5,164 2,121 1,589 1,649 1,615 1,790 1,998 3,974 6,037 7,920 8,518
  1991 7,203 5,160 3,265 2,234 2,248 2,345 2,458 2,656 3,999 6,092 7,931 8,685
  1992 7,592 5,036 2,610 2,145 2,150 2,164 2,233 2,102 4,268 6,711 7,561 8,821
  1993 9,069 5,775 2,945 2,567 2,521 2,111 2,093 2,568 4,258 6,500 8,817 8,328
  1994 7,298 5,319 3,059 1,938 2,175 2,270 2,354 2,450 3,827 5,670 7,662 7,528
  1995 7,097 5,146 3,193 2,099 2,072 1,735 1,819 2,297 4,308 6,165 7,851 8,900
  1996 8,196 5,413 3,422 2,275 2,441 2,155 2,060 2,147 3,721 6,045 7,266 7,368
  1997 6,967 5,672 3,685 2,142 2,113 2,086 1,937 2,161 3,832 5,647 6,802 7,428
  1998 7,256 5,169 3,508 2,108 2,060 1,962 2,023 2,036 3,253 5,760 7,041 6,613
  1999 6,347 4,404 3,249 1,921 2,108 1,723 1,870 1,734 3,190 5,209 6,104 6,997
  2000 6,739 5,344 3,757 2,119 2,006 2,022 2,030 2,104 3,124 5,177 7,102 6,201
  2001 5,746 4,775 3,163 2,128 2,184 1,973 1,972 2,056 3,151 4,593 5,842 6,829
  2002 6,340 4,602 3,088 2,044 1,832 1,737 2,017 2,002 2,872 4,974 6,341 6,999
  2003 6,063 4,316 2,720 1,758 1,614 1,728 1,801 1,891 2,693 4,406 5,522 6,109
  2004 5,460 4,563 3,280 1,781 1,572 1,338 1,268 1,368 2,187 4,256 5,372 6,017
  2005 5,044 4,080 2,812 1,731 1,651 1,643 1,459 1,405 3,648 6,167 6,654 7,113
  2006 7,176 4,993 3,449 2,440 2,339 2,259 2,013 2,272 3,632 5,072 6,214 7,341
  2007 6,864 4,200 2,975 1,915 1,857 1,947 2,015 2,113 3,782 5,656 7,287 7,717
  2008 6,804 5,017 3,467 2,617

Updated on 6/26/2008
Source: U.S. Energy Information Administration
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