| Oct 21 2011 |
19013 |
544.55 |
| Oct 14 2011 |
18927 |
545.16 |
| Oct 07 2011 |
18544 |
545.16 |
| Sep 30 2011 |
17742 |
537.14 |
| Sep 27 2011 |
17308 |
537.14 |
| Sep 23 2011 |
17910 |
546.54 |
| Sep 16 2011 |
17307 |
546.55 |
| Sep 09 2011 |
16830 |
546.56 |
| Jan 13 2011 |
16587 |
546.73 |
| Dec 28 2010 |
16804 |
546.74 |
| Dec 14 2010 |
16633 |
546.74 |
| Dec 03 2010 |
16792 |
546.75 |
| Nov 26 2010 |
16799 |
546.75 |
| Nov 19 2010 |
16738 |
546.75 |
| Nov 12 2010 |
16462 |
546.75 |
| Nov 04 2010 |
16625 |
546.75 |
| Oct 28 2010 |
16162 |
546.76 |
| Oct 22 2010 |
16057 |
547.52 |
| Oct 14 2010 |
15895 |
548.42 |
| Oct 05 2010 |
14845 |
549.57 |
| Sep 29 2010 |
16868 |
577.62 |
