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| Rocky Mountain (PADD 4) Product Supplied of Normal Butane-Butylene (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | 291 | 306 | 383 | 415 | 437 | 376 | 327 | 328 | 281 | 265 | 303 | 186 |
| 1987 | 137 | 256 | 236 | 298 | 236 | 393 | 399 | 283 | 347 | 345 | 130 | 196 |
| 1988 | 202 | 215 | 221 | 391 | 557 | 463 | 426 | 437 | 354 | 361 | 175 | 99 |
| 1989 | 4 | -16 | 36 | 84 | 148 | 129 | 37 | 70 | 4 | -36 | -64 | -79 |
| 1990 | -121 | 96 | 101 | 96 | 92 | 32 | 6 | 79 | 12 | -84 | -50 | -98 |
| 1991 | -104 | -89 | 117 | 219 | 194 | 170 | 40 | 171 | 202 | 130 | -50 | -25 |
| 1992 | -136 | -10 | 20 | 158 | 86 | 70 | 38 | 2 | -51 | -142 | -167 | -161 |
| 1993 | -130 | -74 | -18 | -8 | -60 | -16 | 57 | -1 | 44 | -47 | -129 | -158 |
| 1994 | -192 | -84 | -63 | 80 | 53 | 36 | 98 | 37 | -50 | -84 | -132 | -179 |
| 1995 | -135 | -45 | -57 | 57 | 37 | 87 | 105 | 23 | 12 | 7 | -125 | -61 |
| 1996 | -83 | 13 | 55 | 65 | 30 | 64 | 42 | 119 | -84 | -68 | -38 | -133 |
| 1997 | -148 | -97 | -136 | 42 | -35 | -81 | 5 | -28 | -46 | -93 | -88 | -176 |
| 1998 | -151 | -91 | -26 | 106 | 126 | 90 | 9 | 1 | 49 | -10 | -210 | -162 |
| 1999 | -127 | -74 | -30 | 103 | 105 | 87 | 133 | 181 | 21 | 69 | -49 | -164 |
| 2000 | 228 | 83 | 108 | 210 | 201 | 193 | 246 | 175 | 215 | -32 | 4 | 50 |
| 2001 | -78 | 11 | 178 | 251 | 200 | 178 | 217 | 269 | 261 | -15 | -57 | -78 |
| 2002 | -50 | 3 | 175 | 147 | 200 | 218 | 251 | 174 | 169 | 96 | -18 | -19 |
| 2003 | -71 | 94 | 130 | 206 | 137 | 152 | 99 | 154 | 155 | 5 | -62 | -92 |
| 2004 | -75 | -53 | 26 | 161 | 174 | 183 | 202 | 152 | 123 | -66 | 3 | -108 |
| 2005 | -159 | 5 | 139 | 231 | 187 | 208 | 113 | 188 | 120 | -40 | -95 | -159 |
| 2006 | -109 | 17 | 49 | 150 | 191 | 217 | 206 | 139 | 155 | 30 | -36 | -231 |
| 2007 | -194 | -59 | 151 | 283 | 289 | 279 | 270 | 308 | 253 | 175 | -24 | -167 |
| 2008 | -115 | -27 | 275 | 358 | 307 | 334 | 483 | 306 | 258 | 157 | -100 | 27 |
| 2009 | -91 | 88 | 242 | 368 | 305 | 336 | 368 | 361 | 319 | 118 | 41 | 6 |
| 2010 | 13 | 238 | 507 | 528 | 628 | 514 | 565 | 501 | 365 | 116 | 83 | 86 |
| 2011 | 151 | 161 | 263 | 302 | 444 | 534 | 277 | 542 | 359 | 175 | 8 | 131 |
| 2012 | 68 | 249 | 333 | 521 | 595 | 448 | 479 | 520 | 363 | 150 | 100 | 56 |
| 2013 | 215 | 212 | 270 | |||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 5/30/2013 |
| Next Release Date: Last Week of June 2013 |