Quarterly Sales Estimates for PRTS
| 03-2007 | 40.6 | 39.5 | 40.073 | 0 | 4/4/2007 |
| 06-2007 | 46.5 | 42 | 44.645 | 1.893 | 7/9/2007 |
| 09-2007 | 42 | 40.57 | 41.423 | 0.754 | 10/31/2007 |
| 12-2007 | 40.9 | 40 | 40.45 | 0.636 | 11/12/2007 |
| 03-2008 | 39 | 38.9 | 38.95 | 0.07 | 3/10/2008 |
| 06-2008 | 41.9 | 41 | 41.45 | 0.636 | 5/13/2008 |
| 09-2008 | 40 | 38.6 | 39.3 | 0.989 | 8/7/2008 |
| 12-2008 | 35 | 33.6 | 34.1 | 0.781 | 1/21/2009 |
| 03-2009 | 38 | 34 | 35.725 | 1.995 | 3/16/2009 |
| 06-2009 | 41.8 | 36.4 | 39.733 | 2.914 | 7/15/2009 |
| 09-2009 | 42 | 36 | 39.625 | 2.668 | 9/21/2009 |
| 12-2009 | 44.8 | 42.28 | 43.564 | 0.959 | 1/27/2010 |
| 03-2010 | 53.07 | 49.1 | 51.499 | 1.28 | 4/26/2010 |
| 06-2010 | 56.9 | 53.88 | 55.369 | 1.066 | 7/13/2010 |
| 09-2010 | 69.27 | 66.33 | 68.059 | 0.937 | 10/21/2010 |
| 12-2010 | 82.5 | 77.642 | 80.351 | 1.602 | 2/22/2011 |
| 03-2011 | 88.7 | 78.807 | 86.267 | 3.203 | 4/29/2011 |