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East Coast (PADD 1) Refinery and Blender Net Inputs of Isobutane/Isobutylene (Thousand Barrels)
East Coast (PADD 1) Refinery and Blender Net Inputs of Isobutane/Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1981 37 38 67 37 17 188 232 248 246 164 202 119
  1982 148 161 156 172 233 280 173 200 200 155 120 98
  1983 223 30 43 113 241 98 27 72 65 26 51 75
  1984 29 25 117 130 112 40 146 160 94 27 49 47
  1985 53 18 3 16 70 96 96 137 187 137 120 41
  1986 15 19 28 66 66 66 94 17 42 84 82 62
  1987 83 79 19 67 86 88 42 69 84 90 32 36
  1988 72 19 60 72 77 40 54 49 45 58 103 35
  1989 26 45 55 43 36 64 65 49 78 51 22 26
  1990 25 45 54 47 53 18 44 28 28 45 13
  1991 11 20 30 71 28 19 40 38 42 17 21 40
  1992 55 40 90 29 32 29 49 51 50 75 25 46
  1993 125 77 136 107 76 95 93 161 108 123 137 102
  1994 138 77 80 99 160 103 196 134 103 136 102 96
  1995 95 117 127 34 66 88 110 154 211 166 100 125
  1996 111 90 67 106 97 58 68 33 79 42 32 111
  1997 125 21 34 90 101 74 70 53 77 52 50 71
  1998 90 54 64 95 98 80 50 21 95 104 34 43
  1999 55 58 85 126 91 74 30 106 50 30 120 2
  2000 40 69 42 5 45 108 66 88 131 160 4 16
  2001 29 71 81 84 134 127 113 97 110 81 41 79
  2002 98 78 56 93 133 64 124 81 40 76 76 4
  2003 59 63 61 106 52 50 100 118 88 119 48 67
  2004 101 125 66 127 115 80 160 44 65 47 147 66
  2005 96 132 133 137 108 123 109 92 77 96 83 79
  2006 351 376 229 100 457 249 381 344 310 365 365 463
  2007 445 163 471 401 442 404 570 453 515 459 372 400
  2008 383 344 495 448 374 417 438

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2008
Next Release Date: Last Week of October 2008

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