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| Midwest (PADD 2) Receipts by Pipeline, Tanker, Barge and Rail from Rocky Mountain (PADD 4) of Isobutane (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 162 | 147 | 177 | 171 | 185 | 209 | 218 | 217 | 212 | 213 | 209 | 260 |
| 2010 | 259 | 330 | 220 | 348 | 347 | 209 | 250 | 252 | 230 | 298 | 370 | 257 |
| 2011 | 233 | 213 | 269 | 264 | 280 | 258 | 282 | 294 | 240 | 312 | 279 | 260 |
| 2012 | 271 | 262 | 284 | 235 | 291 | 268 | 277 | 268 | 293 | 311 | 291 | 258 |
| 2013 | 237 | 231 | 285 | 303 | 359 | 367 | 383 | 405 | 367 | 353 | 343 | 273 |
| 2014 | 275 | 247 | 288 | 273 | 295 | 287 | 288 | 307 | 334 | 346 | 309 | 308 |
| 2015 | 314 | 312 | 406 | 387 | 391 | 421 | 431 | 384 | 399 | 426 | 386 | 384 |
| 2016 | 389 | 400 | 473 | 449 | 449 | 452 | 473 | 482 | 458 | 479 | 479 | 422 |
| 2017 | 423 | 428 | 494 | 503 | 515 | 503 | 549 | 541 | 618 | 554 | 560 | 589 |
| 2018 | 776 | 719 | 800 | 804 | 831 | 768 | 809 | 858 | 890 | 833 | 808 | 865 |
| 2019 | 789 | 754 | 817 | 853 | 887 | 837 | 862 | 785 | 826 | 847 | 834 | 887 |
| 2020 | 1,082 | 1,335 | 1,137 | 1,168 | 936 | 933 | 1,064 | 1,141 | 1,127 | 1,149 | 1,098 | 996 |
| 2021 | 1,149 | 971 | 1,123 | 1,160 | 1,181 | 1,595 | 1,167 | 1,177 | 1,122 | 1,172 | 1,629 | 1,172 |
| 2022 | 1,094 | 1,015 | 1,184 | 1,074 | 1,193 | 1,194 | 1,263 | 1,254 | 1,220 | 1,239 | 1,147 | 1,031 |
| 2023 | 1,112 | 1,036 | 1,179 | 1,206 | 1,287 | 1,283 | 1,335 | 1,338 | 1,289 | 1,309 | 1,322 | 1,375 |
| 2024 | 1,379 | 1,262 | 1,364 | 1,346 | 1,400 | 1,528 | 1,396 | 1,435 | 1,358 | 1,373 | 1,350 | 1,369 |
| 2025 | 1,327 | 1,180 | 1,387 | 1,375 | 1,394 | 1,394 | 1,487 | 1,479 | 1,418 | 1,440 | 1,405 | |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 2/6/2026 |
| Next Release Date: 2/27/2026 |