| 4/15/2005 |
7.0 |
| 4/28/2005 |
6.8 |
| 5/01/2005 |
6.5 |
| 5/15/2005 |
6.4 |
| 6/30/2005 |
5.1 |
| 6/15/2005 |
5.2 |
| 6/30/2005 |
4.9 |
| 7/1/2005 |
4.0 |
| 7/15/2005 |
3.9 |
| 7/30/2005 |
3.8 |
| 8/1/2005 |
3.7 |
| 8/15/2005 |
3.6 |
| 8/31/2005 |
3.5 |
| 9/1/2005 |
3.5 |
| 9/15/2005 |
3.5 |
|
| 4/15/2006 |
3.5 |
| 4/28/2006 |
3.5 |
| 5/01/2006 |
3.6 |
| 5/15/2006 |
3.7 |
| 6/30/2006 |
3.7 |
| 6/15/2006 |
3.7 |
| 6/30/2006 |
3.7 |
| 7/1/2006 |
3.7 |
| 7/15/2006 |
3.7 |
| 7/30/2006 |
3.7 |
| 8/1/2006 |
3.8 |
| 8/15/2006 |
3.8 |
| 8/31/2006 |
3.8 |
| 9/1/2006 |
3.8 |
| 9/15/2006 |
3.8 |
|
| 4/15/2007 |
3.7 |
| 4/28/2007 |
3.7 |
| 5/01/2007 |
3.5 |
| 5/15/2007 |
3.5 |
| 6/30/2007 |
3.5 |
| 6/15/2007 |
3.5 |
| 6/30/2007 |
3.2 |
| 7/1/2007 |
3.3 |
| 7/15/2007 |
3.3 |
| 7/30/2007 |
3.2 |
| 8/1/2007 |
3.0 |
| 8/15/2007 |
2.9 |
| 8/31/2007 |
3.0 |
| 9/1/2007 |
2.9 |
| 9/15/2007 |
2.8 |
|