Quarterly Sales Estimates for NFX
| 03-2007 | 692.28 | 503.5 | 540.252 | 0 | 4/10/2007 |
| 06-2007 | 559 | 498 | 525.976 | 18.759 | 7/19/2007 |
| 09-2007 | 596 | 444.32 | 496.143 | 49.764 | 10/18/2007 |
| 12-2007 | 408 | 361 | 391.019 | 15.007 | 1/18/2008 |
| 03-2008 | 476.38 | 400 | 437.657 | 28.037 | 4/18/2008 |
| 06-2008 | 562 | 472 | 518.386 | 31.561 | 7/16/2008 |
| 09-2008 | 678.86 | 503.9 | 590.256 | 52.491 | 10/17/2008 |
| 12-2008 | 504 | 449.81 | 474.361 | 18.082 | 1/30/2009 |
| 03-2009 | 565.37 | 451.7 | 513.461 | 38.207 | 4/5/2009 |
| 06-2009 | 548 | 482.63 | 525.121 | 21.175 | 7/21/2009 |
| 09-2009 | 578.284 | 518 | 551.114 | 25.325 | 10/20/2009 |
| 12-2009 | 593.924 | 416.1 | 556.957 | 58.507 | 2/1/2010 |
| 03-2010 | 579.1 | 457.1 | 548.12 | 34.316 | 4/27/2010 |
| 06-2010 | 598.7 | 465.2 | 556.016 | 30.681 | 7/16/2010 |
| 09-2010 | 593.148 | 441.1 | 552.227 | 38.113 | 10/15/2010 |
| 12-2010 | 647 | 507.4 | 608.726 | 42.458 | 2/8/2011 |
| 03-2011 | 630 | 542.1 | 593.344 | 27.669 | 4/18/2011 |