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| Refining District New Mexico Field Production of Isobutane (Thousand Barrels) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1993 | 268 | 252 | 290 | 281 | 291 | 276 | 273 | 277 | 285 | 292 | 280 | 293 |
| 1994 | 278 | 271 | 314 | 313 | 330 | 283 | 335 | 332 | 302 | 329 | 319 | 324 |
| 1995 | 318 | 284 | 329 | 325 | 317 | 311 | 328 | 315 | 296 | 266 | 284 | 273 |
| 1996 | 278 | 260 | 266 | 253 | 264 | 285 | 303 | 304 | 282 | 338 | 306 | 305 |
| 1997 | 302 | 282 | 309 | 301 | 315 | 298 | 296 | 312 | 323 | 315 | 305 | 298 |
| 1998 | 308 | 285 | 310 | 309 | 309 | 305 | 300 | 291 | 304 | 311 | 298 | 300 |
| 1999 | 301 | 280 | 309 | 296 | 291 | 313 | 320 | 322 | 313 | 318 | 309 | 311 |
| 2000 | 311 | 296 | 320 | 311 | 326 | 297 | 323 | 325 | 321 | 324 | 311 | 310 |
| 2001 | 311 | 286 | 327 | 319 | 324 | 291 | 332 | 327 | 322 | 346 | 327 | 334 |
| 2002 | 336 | 304 | 340 | 368 | 404 | 373 | 404 | 424 | 443 | 437 | 414 | 419 |
| 2003 | 315 | 303 | 375 | 348 | 370 | 332 | 380 | 379 | 357 | 360 | 347 | 346 |
| 2004 | 348 | 321 | 341 | 333 | 345 | 313 | 331 | 326 | 313 | 358 | 338 | 327 |
| 2005 | 344 | 308 | 310 | 302 | 317 | 281 | 297 | 276 | 291 | 315 | 283 | 285 |
| 2006 | 296 | 264 | 306 | 289 | 292 | 293 | 307 | 302 | 296 | 295 | 290 | 281 |
| 2007 | 260 | 247 | 278 | 267 | 279 | 276 | 286 | 271 | 283 | 291 | 282 | 289 |
| 2008 | 261 | 248 | 282 | 275 | 292 | 239 | 289 | 284 | 256 | 287 | 262 | 263 |
| 2009 | 278 | 262 | 297 | 289 | 296 | 293 | 290 | 293 | 275 | 298 | 282 | 265 |
| 2010 | 260 | 240 | 269 | 263 | 267 | 243 | 258 | 284 | 283 | 280 | 276 | 277 |
| 2011 | 284 | 225 | 288 | 285 | 317 | 279 | 294 | 297 | 285 | 283 | 266 | 277 |
| 2012 | 283 | 261 | 290 | 288 | 276 | 259 | 261 | 307 | 276 | 303 | 288 | 276 |
| 2013 | 258 | 244 | 279 | 244 | 248 | 250 | 254 | 257 | 243 | 246 | 220 | 222 |
| 2014 | 245 | 221 | 256 | 267 | 247 | 252 | 256 | 273 | 262 | 235 | 267 | 268 |
| 2015 | 237 | 231 | 229 | 255 | 255 | 295 | 304 | 332 | 324 | 364 | 331 | 310 |
| 2016 | 292 | 306 | 335 | 325 | 362 | 374 | 395 | 395 | 381 | 417 | 389 | 379 |
| 2017 | 337 | 373 | 414 | 485 | 482 | 388 | 434 | 430 | 402 | 417 | 361 | 387 |
| 2018 | 396 | 414 | 481 | 483 | 485 | 473 | 488 | 516 | 464 | 475 | 465 | 466 |
| 2019 | 475 | 457 | 539 | 493 | 524 | 489 | 538 | 519 | 501 | 548 | 534 | 546 |
| 2020 | 553 | 515 | 625 | 576 | 535 | 567 | 586 | 609 | 581 | 597 | 616 | 601 |
| 2021 | 629 | 467 | 580 | 579 | 596 | 607 | 650 | 664 | 647 | 679 | 647 | 652 |
| 2022 | 513 | 497 | 570 | 541 | 574 | 557 | 626 | 597 | 609 | 642 | 630 | 656 |
| 2023 | 675 | 570 | 631 | 624 | 628 | 597 | 630 | 626 | 632 | 604 | 604 | 643 |
| 2024 | 610 | 626 | 682 | 630 | 606 | 654 | 681 | 709 | 684 | 692 | 662 | 695 |
| 2025 | 661 | 621 | 714 | 683 | 709 | 682 | 747 | 702 | 678 | 700 | 703 | 707 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 2/27/2026 |
| Next Release Date: 3/31/2026 |