| Oct 21 2011 |
18488 |
538.25 |
| Oct 14 2011 |
19001 |
546.24 |
| Oct 07 2011 |
18627 |
546.25 |
| Sep 30 2011 |
18050 |
540.28 |
| Sep 27 2011 |
17606 |
540.27 |
| Sep 23 2011 |
17496 |
540.27 |
| Sep 16 2011 |
16919 |
540.26 |
| Sep 09 2011 |
16448 |
540.25 |
| Jan 13 2011 |
16181 |
540.09 |
| Dec 28 2010 |
16398 |
540.09 |
| Dec 14 2010 |
16235 |
540.09 |
| Dec 03 2010 |
16400 |
540.08 |
| Nov 26 2010 |
16415 |
540.08 |
| Nov 19 2010 |
16362 |
540.08 |
| Nov 12 2010 |
16077 |
540.08 |
| Nov 04 2010 |
16214 |
540.08 |
| Oct 28 2010 |
15749 |
540.07 |
| Oct 22 2010 |
15627 |
540.69 |
| Oct 14 2010 |
14848 |
532.66 |
| Oct 05 2010 |
14852 |
549.71 |
| Sep 29 2010 |
14182 |
533.14 |
| Sep 24 2010 |
14580 |
549.71 |
| Sep 17 2010 |
13986 |
549.71 |
| Sep 10 2010 |
13707 |
549.71 |
