| Sep 30 2011 |
15848 |
511.75 |
| Sep 27 2011 |
15447 |
511.75 |
| Sep 23 2011 |
15333 |
511.75 |
| Sep 16 2011 |
14843 |
511.75 |
| Sep 09 2011 |
14469 |
511.75 |
| Jan 13 2011 |
14279 |
511.75 |
| Dec 28 2010 |
14506 |
511.75 |
| Dec 14 2010 |
14363 |
511.75 |
| Dec 03 2010 |
14824 |
516.84 |
| Nov 26 2010 |
14841 |
516.92 |
| Nov 19 2010 |
15517 |
528.26 |
| Nov 12 2010 |
15294 |
528.48 |
| Nov 04 2010 |
15389 |
528.71 |
| Oct 28 2010 |
14969 |
528.91 |
| Oct 22 2010 |
14817 |
529.07 |
| Oct 14 2010 |
14612 |
529.27 |
| Oct 05 2010 |
13639 |
529 |
| Sep 29 2010 |
13938 |
529 |
| Sep 24 2010 |
13385 |
529 |
| Sep 17 2010 |
12856 |
529 |
| Sep 10 2010 |
12609 |
529 |
| Aug 15 2010 |
11493 |
550.47 |
| Jan 29 2010 |
12579 |
529 |
| Jan 15 2010 |
12525 |
529 |
| Jan 08 2010 |
12384 |
529 |
| Dec 18 2009 |
11961 |
529 |
| Dec 09 2009 |
11795 |
529 |
| Dec 04 2009 |
11433 |
528.41 |
| Nov 27 2009 |
11343 |
528.41 |
| Nov 20 2009 |
8747 |
486.06 |
| Nov 13 2009 |
8247 |
486.06 |
| Nov 06 2009 |
8138 |
486.06 |
| Oct 30 2009 |
9493 |
486.06 |
| Oct 23 2009 |
9077 |
486.06 |
| Oct 16 2009 |
8911 |
486.06 |
