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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 Production of Liquefied Petroleum Gases - Butylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 -708 -187 23 10 352 182 204 286 268 51 82 -66
  1994 -39 108 -80 183 78 75 289 135 257 -45 -2 -24
  1995 215 351 103 3 116 -26 -15 -46 -12 -52 -81 -89
  1996 122 71 -3 88 60 57 62 68 -26 -222 -363 -88
  1997 -70 57 -13 78 212 -94 39 -300 178 94 51 -15
  1998 108 116 175 196 165 181 246 393 268 175 26 7
  1999 -45 93 33 106 -172 76 160 147 -63 -189 127 -293
  2000 -8 759 995 1,205 1,082 30 18 69 13 161 -236 -108
  2001 915 491 810 -161 -30 110 160 1,039 1,009 485 298 -408
  2002 840 275 1,078 847 1,052 982 1,130 564 859 -17 -82 -201
  2003 -99 25 287 143 141 256 289 318 137 317 59 -66
  2004 -187 -334 -152 119 -72 -108 -182 -181 -11 107 -178 -56
  2005 110 -18 147 778 572 617 299 223 -161 -512 -396 92
  2006 -199 -111 14 -59 199 65 -429 -124 -509 14 -426 -226
  2007 -483 -154 60 288 -71 99 124 -27 -127 -209 -376 -486
  2008 -575 -226 -156 -267


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