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| Refining District Louisiana Gulf Coast Refinery and Blender Net Production of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 62 | 35 | 49 | 225 | 155 | 144 | 175 | 124 | 225 | 45 | 162 | 65 |
| 1994 | 20 | 48 | 103 | 98 | 244 | 223 | 226 | 198 | 211 | 229 | 105 | 151 |
| 1995 | 141 | 40 | 57 | 193 | 59 | 252 | 291 | 201 | 239 | 194 | 148 | 110 |
| 1996 | 64 | 73 | 189 | 30 | 20 | 160 | 94 | 165 | 124 | -2 | 5 | -50 |
| 1997 | 78 | 40 | 57 | 158 | 161 | 14 | 228 | 87 | 63 | 117 | 94 | 20 |
| 1998 | 94 | 153 | 76 | 180 | 241 | 147 | 130 | 43 | 184 | 146 | 268 | 116 |
| 1999 | 61 | 89 | 99 | 129 | 139 | 196 | 128 | 82 | 38 | 144 | 1 | 79 |
| 2000 | 150 | 70 | 233 | 128 | 247 | 229 | 273 | 206 | 133 | 98 | 44 | 10 |
| 2001 | 10 | 19 | 176 | 268 | 242 | 121 | 146 | 149 | -42 | -136 | -176 | -30 |
| 2002 | -97 | 43 | -28 | 65 | 118 | 118 | 236 | 128 | 197 | -53 | -180 | 102 |
| 2003 | -24 | -79 | 62 | 99 | -107 | 123 | 127 | 6 | 70 | 77 | 34 | -9 |
| 2004 | 28 | -139 | -80 | -7 | 40 | -52 | -30 | -25 | -74 | -64 | -94 | -89 |
| 2005 | -45 | -74 | -115 | -106 | -123 | -72 | 1 | -108 | 14 | 21 | 124 | -19 |
| 2006 | -1 | -27 | 223 | 89 | 246 | 165 | 211 | 253 | 218 | 221 | 79 | 245 |
| 2007 | 328 | 310 | 366 | 298 | 436 | 409 | 469 | 375 | 315 | 410 | 245 | 145 |
| 2008 | 78 | 322 | 296 | 194 | 266 | 199 | 138 | 221 | 130 | 214 | 187 | 272 |
| 2009 | 180 | 197 | 406 | 194 | 170 | 310 | 259 | 70 | 135 | 133 | 233 | 228 |
| 2010 | 143 | 44 | 147 | 218 | 248 | 243 | 168 | 172 | 220 | 164 | 92 | 139 |
| 2011 | 193 | 247 | 331 | 241 | 368 | 256 | 291 | 344 | 270 | 189 | 182 | 176 |
| 2012 | 157 | 187 | 160 | 307 | 196 | 192 | 298 | 254 | 163 | 404 | 199 | 187 |
| 2013 | 151 | 167 | ||||||||||
| - = 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 |