| Sep 30 2011 |
24392 |
638.78 |
| Sep 27 2011 |
23781 |
638.78 |
| Sep 23 2011 |
19846 |
575.57 |
| Sep 16 2011 |
19253 |
576.73 |
| Sep 09 2011 |
18261 |
569.93 |
| Jan 13 2011 |
17957 |
569.39 |
| Dec 28 2010 |
18167 |
569.38 |
| Dec 14 2010 |
17976 |
569.36 |
| Dec 03 2010 |
18156 |
569.35 |
| Nov 26 2010 |
18158 |
569.35 |
| Nov 19 2010 |
18109 |
569.34 |
| Nov 12 2010 |
17825 |
569.34 |
| Nov 04 2010 |
18053 |
569.33 |
| Oct 28 2010 |
17549 |
569.33 |
| Oct 22 2010 |
17441 |
569.32 |
| Oct 14 2010 |
17175 |
569.32 |
| Oct 05 2010 |
15945 |
568.95 |
| Sep 29 2010 |
14975 |
545.67 |
| Oct 30 2009 |
12862 |
544.98 |
| Oct 23 2009 |
12360 |
544.98 |
| Oct 16 2009 |
12141 |
544.98 |
| Oct 09 2009 |
12038 |
544.98 |
| Oct 02 2009 |
11523 |
544.98 |
| Sep 25 2009 |
11377 |
555.6 |
| Sep 18 2009 |
11118 |
555.6 |
| Sep 11 2009 |
11003 |
555.6 |
| Jan 30 2009 |
10828 |
555.6 |
