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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. Normal Butane-Butylene Blenders Net Input (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2005 236 193 286 210 176 215 49 9 540 591 234 167
  2006 175 141 271 169 82 19 16 45 361 493 403 389
  2007 218 140 271 243 7 8 8 10 357 616 538 527
  2008 307 233 255 272

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