Quarterly Sales Estimates for NSC
| 03-2007 | 2349 | 2255.6 | 2302.58 | 0 | 4/10/2007 |
| 06-2007 | 2490.3 | 2423 | 2463.66 | 29.279 | 6/7/2007 |
| 09-2007 | 2465 | 2384.5 | 2420.92 | 31.252 | 10/10/2007 |
| 12-2007 | 2485.9 | 2315 | 2364.516 | 61.08 | 1/5/2008 |
| 03-2008 | 2404.9 | 2303 | 2345.98 | 38.529 | 4/18/2008 |
| 06-2008 | 2694 | 2568 | 2634.283 | 40.424 | 7/10/2008 |
| 09-2008 | 2772.9 | 2733.4 | 2758.666 | 15.864 | 10/14/2008 |
| 12-2008 | 2748 | 2458 | 2601.8 | 98.537 | 1/20/2009 |
| 03-2009 | 2230 | 1934.2 | 2078.288 | 90.424 | 4/5/2009 |
| 06-2009 | 2212 | 1920 | 2031.388 | 108.711 | 7/8/2009 |
| 09-2009 | 2292 | 1857 | 2067.515 | 108.421 | 10/22/2009 |
| 12-2009 | 2174 | 2016 | 2106.071 | 45.249 | 1/18/2010 |
| 03-2010 | 2168 | 1932 | 2097.18 | 65.849 | 4/14/2010 |
| 06-2010 | 2517 | 2194 | 2380.194 | 81.8 | 7/9/2010 |
| 09-2010 | 2782 | 2358 | 2486.788 | 88.801 | 10/18/2010 |
| 12-2010 | 2484 | 2364 | 2424.078 | 31.729 | 1/19/2011 |
| 03-2011 | 2547 | 2408.09 | 2469.149 | 41.517 | 4/18/2011 |