| Dec 31 2012 |
12219 |
449.17 |
| Dec 24 2012 |
12479 |
451.7 |
| Dec 17 2012 |
12495 |
451.7 |
| Dec 10 2012 |
11570 |
443.6 |
| Dec 03 2012 |
10515 |
429.95 |
| Nov 26 2012 |
10409 |
429.95 |
| Nov 19 2012 |
11733 |
443.75 |
| Nov 12 2012 |
11799 |
443.75 |
| Nov 05 2012 |
10633 |
430.75 |
| Oct 29 2012 |
10046 |
423.66 |
| Oct 22 2012 |
10059 |
423.66 |
| Oct 15 2012 |
9970 |
423.66 |
| Oct 02 2012 |
9805 |
423.66 |
| Sep 26 2012 |
9807 |
423.66 |
| Sep 20 2012 |
9745 |
423.66 |
| Sep 13 2012 |
9659 |
423.66 |
| Jan 19 2012 |
10042 |
437.26 |
| Dec 29 2011 |
9086 |
426.76 |
| Dec 13 2011 |
9670 |
435.04 |
| Dec 09 2011 |
9689 |
435.04 |
| Dec 01 2011 |
11017 |
451.13 |
| Nov 25 2011 |
11155 |
451.13 |
| Nov 17 2011 |
9017 |
426.42 |
| Nov 10 2011 |
9147 |
426.42 |
| Nov 04 2011 |
8476 |
418.79 |
