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Refining District Indiana-Illinois-Kentucky Gas Plant Production of Isobutane-Isobutylene (Thousand Barrels)
Refining District Indiana-Illinois-Kentucky Gas Plant Production of Isobutane-Isobutylene (Thousand Barrels)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1993 73 66 71 73 75 78 76 78 75 70 68 64
  1994 62 56 65 67 69 66 69 65 68 68 67 62
  1995 61 61 68 61 62 61 61 63 59 54 60 57
  1996 50 52 56 55 56 55 59 63 59 69 62 63
  1997 62 54 52 55 58 62 68 69 67 64 64 66
  1998 57 56 52 49 48 53 52 57 46 44 43 48
  1999 41 46 45 53 53 49 49 48 47 51 46 53
  2000 47 52 53 53 58 55 53 56 55 50 40 49
  2001 63 94 101 106 108 103 107 113 110 101 112 120
  2002 121 144 122 99 112 103 120 126 100 117 152 158
  2003 162 140 124 120 100 117 143 133 122 152 135 129
  2004 138 147 179 117 129 134 155 178 143 145 170 157
  2005 159 142 127 132 148 141 159 160 106 100 108 106
  2006 120 112 112 123 120 117 110 119 93 101 102 105
  2007 108 112 100 89 176 245 209 177 163 111 96 154
  2008 198 176 190 187 203 167 202 184 202 142 195 115
  2009 122 217 237 248 255 247 223 225 191 199 186 98
  2010 102 141 215 193 219 213 206 230 202 168 160 212
  2011 206 207 238 161 226 224 237 223 172 236 233 180
  2012 176 151 148 156 131 239 239 224 186 121 196 266
  2013 253 220

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 4/29/2013
Next Release Date: Last Week of May 2013

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