Quarterly Sales Estimates for PWRD
| 06-2007 | 16.87 | 16.87 | 16.87 | 0 | 9/6/2007 |
| 09-2007 | 19.28 | 16.77 | 18.416 | 1.426 | 11/5/2007 |
| 12-2007 | 29.07 | 23 | 25.293 | 3.295 | 11/13/2007 |
| 03-2008 | 38.2 | 29 | 33.6 | 6.505 | 3/11/2008 |
| 06-2008 | 49.8 | 49.8 | 49.8 | 0 | 6/16/2008 |
| 09-2008 | 55.41 | 49 | 53.647 | 3.103 | 8/19/2008 |
| 12-2008 | 61.85 | 59.6 | 60.75 | 0.897 | 2/10/2009 |
| 03-2009 | 58 | 56.4 | 57.122 | 0.577 | 4/21/2009 |
| 06-2009 | 74.5 | 62.5 | 71.278 | 4.037 | 7/23/2009 |
| 09-2009 | 82.5 | 78.2 | 81.559 | 1.324 | 10/19/2009 |
| 12-2009 | 88.5 | 87.6 | 88.103 | 0.309 | 2/25/2010 |
| 03-2010 | 94 | 91.77 | 93.11 | 0.724 | 5/14/2010 |
| 06-2010 | 99.89 | 85.7 | 89.407 | 4.23 | 8/13/2010 |
| 09-2010 | 91.2 | 88.2 | 89.765 | 0.895 | 11/9/2010 |
| 12-2010 | 91 | 87.6 | 89.678 | 1.14 | 2/18/2011 |
| 03-2011 | 103.9 | 97.2 | 99.243 | 2.105 | 5/10/2011 |
| 06-2011 | 109.5 | 95.7 | 105.925 | 4.607 | 8/18/2011 |