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| Refining District East Coast Refinery Stocks of Refinery Olefins (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 673 | 238 | 500 | 569 | 428 | 262 | 1,268 | 318 | 647 | 533 | 283 | 233 |
| 2011 | 259 | 410 | 618 | 215 | 449 | 328 | 584 | 492 | 168 | 296 | 437 | 413 |
| 2012 | 435 | 582 | 334 | 396 | 240 | 209 | 222 | 251 | 276 | 227 | 196 | 241 |
| 2013 | 273 | 206 | 188 | 153 | 175 | 153 | 176 | 198 | 281 | 93 | 135 | 266 |
| 2014 | 325 | 298 | 236 | 217 | 177 | 161 | 187 | 253 | 203 | 234 | 326 | 256 |
| 2015 | 390 | 261 | 289 | 247 | 291 | 195 | 192 | 259 | 360 | 433 | 385 | 246 |
| 2016 | 226 | 205 | 192 | 183 | 174 | 167 | 162 | 142 | 314 | 242 | 239 | 283 |
| 2017 | 410 | 264 | 156 | 154 | 135 | 157 | 198 | 160 | 344 | 377 | 279 | 332 |
| 2018 | 300 | 109 | 130 | 155 | 118 | 109 | 164 | 129 | 272 | 322 | 298 | 288 |
| 2019 | 271 | 207 | 146 | 179 | 153 | 158 | 149 | 191 | 341 | 266 | 248 | 308 |
| 2020 | 377 | 247 | 157 | 139 | 94 | 93 | 106 | 194 | 313 | 262 | 397 | 323 |
| 2021 | 231 | 171 | 305 | 140 | 167 | 158 | 152 | 158 | 218 | 334 | 365 | 259 |
| 2022 | 276 | 196 | 233 | 176 | 177 | 154 | 202 | 198 | 240 | 303 | 278 | 153 |
| 2023 | 292 | 200 | 72 | 116 | 119 | 75 | 58 | 154 | 209 | 240 | 292 | 147 |
| 2024 | 292 | 239 | 184 | 150 | 145 | 155 | 151 | 137 | 300 | 298 | 193 | 239 |
| 2025 | 80 | 206 | 179 | 150 | 97 | 100 | 136 | 153 | ||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |
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