| Sep 30 2011 |
15782 |
510.87 |
| Sep 27 2011 |
15387 |
510.87 |
| Sep 23 2011 |
15273 |
510.87 |
| Sep 16 2011 |
14790 |
510.87 |
| Sep 09 2011 |
14417 |
510.87 |
| Jan 13 2011 |
14232 |
510.85 |
| Dec 28 2010 |
14457 |
510.85 |
| Dec 14 2010 |
14312 |
510.85 |
| Dec 03 2010 |
14435 |
510.85 |
| Nov 26 2010 |
14439 |
510.85 |
| Nov 19 2010 |
14994 |
521.09 |
| Nov 12 2010 |
14767 |
521.29 |
| Nov 04 2010 |
14844 |
521.51 |
| Oct 28 2010 |
14454 |
521.7 |
| Oct 22 2010 |
14799 |
528.86 |
| Oct 14 2010 |
14605 |
529.18 |
| Oct 05 2010 |
14506 |
543.68 |
| Sep 29 2010 |
14030 |
530.31 |
| Sep 24 2010 |
13022 |
523.14 |
| Sep 17 2010 |
12677 |
526.02 |
| Sep 10 2010 |
12430 |
526.02 |
| Aug 15 2010 |
12486 |
576.52 |
| Jan 29 2010 |
12401 |
526.02 |
| Jan 15 2010 |
12350 |
526.02 |
| Jan 08 2010 |
12209 |
526.02 |
| Dec 18 2009 |
11788 |
526.02 |
| Dec 09 2009 |
11620 |
526.02 |
| Dec 04 2009 |
11291 |
526.02 |
| Nov 27 2009 |
10572 |
514.53 |
| Nov 20 2009 |
10177 |
514.53 |
| Nov 13 2009 |
9633 |
514.53 |
| Nov 06 2009 |
9496 |
514.53 |
| Oct 30 2009 |
11729 |
524.08 |
| Oct 23 2009 |
11232 |
524.08 |
| Oct 16 2009 |
11011 |
524.08 |
| Oct 09 2009 |
10906 |
524.08 |
| Oct 02 2009 |
11901 |
553.6 |
| Sep 25 2009 |
13042 |
593.37 |
| Sep 18 2009 |
12761 |
593.37 |
| Sep 11 2009 |
11963 |
577.47 |
| Jan 30 2009 |
11777 |
577.47 |
