| Sep 30 2011 |
13950 |
489.22 |
| Sep 27 2011 |
13601 |
489.22 |
| Sep 23 2011 |
13524 |
489.22 |
| Sep 16 2011 |
13156 |
489.22 |
| Sep 09 2011 |
12832 |
489.22 |
| Jan 13 2011 |
12648 |
489.22 |
| Dec 28 2010 |
12864 |
489.22 |
| Dec 14 2010 |
12753 |
489.22 |
| Dec 03 2010 |
12834 |
489.22 |
| Nov 26 2010 |
12810 |
489.22 |
| Nov 19 2010 |
12040 |
480.14 |
| Nov 12 2010 |
11826 |
479.89 |
| Nov 04 2010 |
11812 |
479.3 |
| Oct 28 2010 |
11804 |
484.54 |
| Oct 22 2010 |
11684 |
484.49 |
| Oct 14 2010 |
11465 |
484.43 |
| Oct 05 2010 |
12302 |
508.92 |
| Sep 29 2010 |
12597 |
508.92 |
| Sep 24 2010 |
12121 |
508.92 |
| Sep 17 2010 |
11645 |
508.92 |
| Sep 10 2010 |
11410 |
508.92 |
| Aug 15 2010 |
8417 |
482.56 |
| Jan 29 2010 |
11382 |
508.92 |
| Jan 15 2010 |
11330 |
508.92 |
| Jan 08 2010 |
11196 |
508.92 |
| Dec 18 2009 |
10782 |
508.92 |
| Dec 09 2009 |
10628 |
508.92 |
| Dec 04 2009 |
10364 |
508.92 |
| Nov 27 2009 |
10280 |
508.92 |
| Nov 20 2009 |
10590 |
522.23 |
| Nov 13 2009 |
10685 |
536.47 |
| Nov 06 2009 |
11873 |
566.15 |
| Oct 30 2009 |
16422 |
614.38 |
| Oct 23 2009 |
15909 |
614.38 |
| Oct 16 2009 |
15643 |
614.38 |
