Quarterly Sales Estimates for SEP
| 06-2007 | 27 | 27 | 27 | 0 | 8/6/2007 |
| 09-2007 | 27.3 | 27.3 | 27.3 | 0 | 8/6/2007 |
| 12-2007 | 25.6 | 24.62 | 25.11 | 0.692 | 1/5/2008 |
| 03-2008 | 27.3 | 24.57 | 25.935 | 1.93 | 4/5/2008 |
| 06-2008 | 27 | 25.12 | 26.06 | 1.329 | 6/5/2008 |
| 09-2008 | 30.7 | 25.3 | 28 | 3.818 | 10/5/2008 |
| 12-2008 | 32.29 | 29.3 | 30.795 | 2.114 | 1/5/2009 |
| 03-2009 | 34.5 | 32.5 | 33.5 | 1.414 | 4/9/2009 |
| 06-2009 | 41.964 | 39 | 40.482 | 2.095 | 7/24/2009 |
| 09-2009 | 45.6 | 43.24 | 44.146 | 1.271 | 10/20/2009 |
| 12-2009 | 50.4 | 45.6 | 48.466 | 2.532 | 1/5/2010 |
| 03-2010 | 51.03 | 47.4 | 49.422 | 1.852 | 4/5/2010 |
| 06-2010 | 50.03 | 48.8 | 49.232 | 0.546 | 6/5/2010 |
| 09-2010 | 54 | 49.375 | 51.168 | 2.05 | 10/24/2010 |
| 12-2010 | 52.2 | 48.7 | 50.725 | 1.676 | 1/30/2011 |
| 03-2011 | 51.6 | 49.85 | 50.662 | 0.788 | 4/18/2011 |
| 06-2011 | 51.7 | 46.867 | 49.283 | 3.417 | 7/28/2011 |