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| Midwest (PADD 2) Imports of Normal Butane-Butylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 2,219 | 787 | 675 | 690 | 405 | 562 | 534 | 789 | 657 | 837 | 948 | 935 |
| 1982 | 1,167 | 788 | 650 | 834 | 880 | 1,186 | 770 | 939 | 916 | 887 | 933 | 1,222 |
| 1983 | 1,256 | 690 | 793 | 557 | 558 | 541 | 643 | 674 | 625 | 1,023 | 1,030 | 865 |
| 1984 | 638 | 527 | 469 | 314 | 315 | 368 | 257 | 320 | 406 | 668 | 917 | 710 |
| 1985 | 585 | 516 | 702 | 384 | 401 | 424 | 292 | 357 | 526 | 593 | 676 | 875 |
| 1986 | 706 | 509 | 445 | 390 | 424 | 249 | 520 | 409 | 355 | 499 | 940 | 508 |
| 1987 | 833 | 574 | 509 | 498 | 439 | 477 | 498 | 313 | 513 | 598 | 908 | 786 |
| 1988 | 693 | 755 | 675 | 556 | 363 | 416 | 492 | 518 | 429 | 648 | 957 | 769 |
| 1989 | 1,059 | 1,175 | 447 | 124 | 269 | 242 | 269 | 209 | 373 | 476 | 1,028 | 967 |
| 1990 | 883 | 692 | 241 | 208 | 390 | 524 | 437 | 427 | 208 | 682 | 562 | 644 |
| 1991 | 397 | 267 | 223 | 255 | 76 | 215 | 302 | 357 | 421 | 781 | 1,019 | 1,011 |
| 1992 | 764 | 540 | 329 | 143 | 293 | 520 | 401 | 568 | 307 | 888 | 792 | 625 |
| 1993 | 582 | 471 | 113 | 117 | 87 | 253 | 133 | 117 | 184 | 364 | 522 | 478 |
| 1994 | 332 | 216 | 261 | 86 | 162 | 67 | 142 | 244 | 249 | 348 | 382 | 235 |
| 1995 | 231 | 268 | 134 | 54 | 62 | 54 | 66 | 70 | 187 | 353 | 337 | 116 |
| 1996 | 393 | 182 | 65 | 78 | 75 | 153 | 226 | 48 | 9 | 69 | 151 | 194 |
| 1997 | 348 | 323 | 216 | 170 | 156 | 380 | 394 | 427 | 254 | 277 | 428 | 248 |
| 1998 | 486 | 165 | 150 | 81 | 179 | 100 | 250 | 120 | 116 | 368 | 184 | 110 |
| 1999 | 251 | 84 | 80 | 170 | 126 | 256 | 275 | 467 | 264 | 221 | 270 | 302 |
| 2000 | 396 | 210 | 409 | 236 | 341 | 216 | 219 | 550 | 510 | 359 | 303 | 244 |
| 2001 | 323 | 173 | 281 | 217 | 221 | 157 | 77 | 187 | 478 | 435 | 264 | 455 |
| 2002 | 623 | 240 | 333 | 150 | 209 | 120 | 180 | 307 | 404 | 301 | 203 | 263 |
| 2003 | 314 | 184 | 223 | 94 | 289 | 284 | 304 | 232 | 127 | 183 | 170 | 96 |
| 2004 | 54 | 17 | 176 | 21 | 11 | 213 | 34 | 10 | 116 | 324 | 281 | 181 |
| 2005 | 508 | 473 | 621 | 347 | 464 | 268 | 270 | 276 | 223 | 628 | 366 | 456 |
| 2006 | 556 | 380 | 366 | 341 | 277 | 195 | 389 | 311 | 232 | 375 | 287 | 334 |
| 2007 | 374 | 207 | 201 | 231 | 274 | 218 | 463 | 184 | 208 | 331 | 304 | 353 |
| 2008 | 407 | 278 | 314 | 207 | 295 | 298 | 260 | 160 | 320 | 405 | 319 | 218 |
| 2009 | 286 | 299 | 324 | 125 | 168 | 173 | 154 | 241 | 360 | 485 | 381 | 291 |
| 2010 | 357 | 195 | 200 | 217 | 311 | 236 | 238 | 236 | 322 | 336 | 289 | 221 |
| 2011 | 974 | 723 | 953 | 699 | 632 | 801 | 791 | 693 | 592 | 634 | 771 | 886 |
| 2012 | 165 | 403 | 306 | 300 | 861 | 660 | 456 | 539 | 499 | 483 | 197 | 200 |
| 2013 | 208 | 178 | ||||||||||
| - = 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 |