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| Rocky Mountain (PADD 4) Refinery Net Input of Isobutane-Isobutylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 84 | 93 | 128 | 136 | 149 | 151 | 171 | 166 | 165 | 122 | 99 | 52 |
| 2006 | 129 | 114 | 211 | 182 | 205 | 203 | 229 | 231 | 181 | 194 | 198 | 187 |
| 2007 | 168 | 176 | 172 | 194 | 228 | 222 | 262 | 226 | 229 | 219 | 190 | 155 |
| 2008 | 199 | 183 | 205 | 187 | 223 | 235 | 201 | 194 | 193 | 161 | 152 | 108 |
| 2009 | 156 | 161 | 154 | 161 | 221 | 211 | 245 | 200 | 260 | 213 | 187 | 126 |
| 2010 | 174 | 174 | 190 | 196 | 226 | 202 | 236 | 220 | 239 | 201 | 172 | 155 |
| 2011 | 140 | 142 | 209 | 188 | 197 | 222 | 203 | 210 | 189 | 212 | 214 | 171 |
| 2012 | 196 | 191 | 223 | 290 | 219 | 243 | 241 | 199 | 205 | 190 | 171 | 181 |
| 2013 | 182 | 162 | ||||||||||
| - = 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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