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| Refining District Oklahoma-Kansas-Missouri Refinery and Blender Net Input of Normal Butane-Butylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | 887 | 593 | 305 | 295 | 280 | 255 | 203 | 293 | 461 | 703 | 870 | 1,139 |
| 1982 | 743 | 527 | 470 | 234 | 240 | 198 | 245 | 353 | 437 | 660 | 769 | 861 |
| 1983 | 704 | 377 | 268 | 220 | 287 | 282 | 211 | 265 | 379 | 695 | 808 | 577 |
| 1984 | 515 | 319 | 226 | 305 | 110 | 143 | 159 | 318 | 466 | 643 | 633 | 697 |
| 1985 | 519 | 355 | 162 | 153 | 81 | 70 | 106 | 246 | 301 | 379 | 610 | 694 |
| 1986 | 589 | 408 | 293 | 188 | 164 | 77 | 59 | 90 | 225 | 370 | 495 | 853 |
| 1987 | 754 | 444 | 411 | 216 | 215 | 102 | 95 | 117 | 217 | 299 | 541 | 614 |
| 1988 | 383 | 417 | 271 | 112 | 116 | 52 | 56 | 66 | 185 | 447 | 566 | 607 |
| 1989 | 569 | 372 | 299 | 87 | 10 | 9 | 12 | 22 | 192 | 460 | 496 | 549 |
| 1990 | 499 | 271 | 58 | 85 | 43 | 63 | 66 | 35 | 181 | 522 | 397 | 514 |
| 1991 | 562 | 371 | 152 | 67 | 74 | 129 | 123 | 125 | 199 | 505 | 672 | 914 |
| 1992 | 601 | 302 | 95 | 95 | 58 | 72 | 86 | 78 | 203 | 536 | 642 | 886 |
| 1993 | 692 | 134 | 9 | 170 | 46 | 23 | 18 | 99 | 352 | 468 | 618 | |
| 1994 | 481 | 283 | 141 | 19 | 55 | 71 | 59 | 164 | 356 | 347 | 395 | |
| 1995 | 428 | 204 | 106 | 56 | 35 | 36 | 25 | 70 | 183 | 367 | 443 | 574 |
| 1996 | 393 | 279 | 117 | 41 | 57 | 40 | 95 | 104 | 105 | 361 | 352 | 448 |
| 1997 | 472 | 379 | 198 | 59 | 86 | 55 | 86 | 209 | 250 | 192 | 320 | |
| 1998 | 435 | 255 | 192 | 139 | 37 | 75 | 86 | 162 | 227 | 415 | 441 | 323 |
| 1999 | 502 | 311 | 138 | 97 | 126 | 23 | 90 | 75 | 165 | 466 | 395 | 556 |
| 2000 | 472 | 163 | 81 | 36 | 36 | 42 | 87 | 114 | 134 | 203 | 433 | 333 |
| 2001 | 538 | 164 | 52 | 31 | 68 | 28 | 36 | 44 | 79 | 187 | 247 | 308 |
| 2002 | 495 | 247 | 35 | 35 | 29 | 38 | 12 | 59 | 77 | 300 | 580 | 595 |
| 2003 | 648 | 269 | 62 | 48 | 4 | 41 | 108 | 17 | 84 | 21 | ||
| 2004 | 225 | 95 | 19 | 1 | 36 | 89 | 114 | |||||
| 2005 | 219 | 95 | 141 | 53 | 1 | 1 | 2 | 3 | 371 | 407 | 137 | 341 |
| 2006 | 323 | 189 | 207 | 193 | 77 | 97 | 46 | 38 | 275 | 347 | 306 | 344 |
| 2007 | 244 | 131 | 209 | 157 | 5 | 6 | 22 | 26 | 197 | 331 | 360 | 336 |
| 2008 | 186 | 137 | 182 | 151 | 22 | 4 | 16 | 20 | 345 | 383 | 290 | 229 |
| 2009 | 319 | 277 | 250 | 88 | 21 | 27 | 3 | 20 | 265 | 417 | 420 | 341 |
| 2010 | 221 | 133 | 293 | 250 | 27 | 17 | 19 | 23 | 270 | 424 | 373 | 294 |
| 2011 | 121 | 241 | 238 | 216 | 37 | 25 | 28 | 4 | 238 | 311 | 279 | 273 |
| 2012 | 163 | 95 | 212 | 270 | 47 | 62 | 40 | 41 | 251 | 472 | 508 | 616 |
| 2013 | 479 | 240 | ||||||||||
| - = 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 |