| Year | November | July | May | February |
|---|---|---|---|---|
| 2007 | 12,647 | 10,599 | 10,707 | 13,092 |
| 2008 | 12,324 | 10,579 | 11,297 | 13,516 |
| 2009 | 11,655 | 9,896 | 10,470 | |
| 2010 | 11,749 | 10,340 | 10,599 | 12,999 |
| 2011 | 11,493 | 10,465 | 11,104 | 12,627 |
| 2012 | 11,349 | 10,208 | 10,050 | 11,784 |
| 2013 | 11,950 | 9,816 | 10,610 | 12,069 |
| 2014 | 12,846 | 10,137 | 11,645 | 14,516 |
Source: Nielsen Media Research
Note: Numbers represent ABC, CBS, Fox, and NBC affiliates. March 2009 ratings are not comparable to the traditional winter sweeps period, February, and are not included here.
