| Oct 28 2011 |
16470 |
513.53 |
| Oct 21 2011 |
16598 |
513.53 |
| Oct 14 2011 |
15477 |
501.75 |
| Oct 07 2011 |
15163 |
501.73 |
| Sep 30 2011 |
15483 |
507.27 |
| Sep 27 2011 |
15100 |
507.27 |
| Sep 23 2011 |
14990 |
507.27 |
| Sep 16 2011 |
14977 |
513.52 |
| Sep 09 2011 |
14866 |
517.36 |
| Jan 13 2011 |
14660 |
517.5 |
| Dec 28 2010 |
14882 |
517.5 |
| Dec 14 2010 |
14735 |
517.5 |
| Dec 03 2010 |
14873 |
517.51 |
| Nov 26 2010 |
14885 |
517.51 |
| Nov 19 2010 |
14772 |
517.51 |
| Nov 12 2010 |
14392 |
515.51 |
| Nov 04 2010 |
14434 |
515.52 |
| Oct 28 2010 |
14009 |
515.52 |
| Oct 22 2010 |
13870 |
515.52 |
| Oct 14 2010 |
14300 |
524.78 |
| Oct 05 2010 |
13360 |
524.8 |
| Sep 29 2010 |
13823 |
527.42 |
| Sep 24 2010 |
13276 |
527.42 |
| Sep 17 2010 |
12284 |
519.75 |
