| Sep 30 2011 |
17112 |
528.22 |
| Sep 27 2011 |
16706 |
528.21 |
| Sep 23 2011 |
16595 |
528.21 |
| Sep 16 2011 |
16033 |
528.2 |
| Sep 09 2011 |
16818 |
546.34 |
| Jan 13 2011 |
16615 |
547.05 |
| Dec 28 2010 |
16835 |
547.07 |
| Dec 14 2010 |
16662 |
547.09 |
| Dec 03 2010 |
16831 |
547.1 |
| Nov 26 2010 |
16834 |
547.11 |
| Nov 19 2010 |
16768 |
547.12 |
| Nov 12 2010 |
16485 |
547.12 |
| Nov 04 2010 |
16649 |
547.13 |
| Oct 28 2010 |
16185 |
547.14 |
| Oct 22 2010 |
16026 |
547.14 |
| Oct 14 2010 |
15816 |
547.15 |
| Oct 05 2010 |
14719 |
547.32 |
| Sep 29 2010 |
17369 |
586.93 |
| Sep 24 2010 |
16661 |
586.93 |
| Oct 30 2009 |
14331 |
573.24 |
| Oct 23 2009 |
13826 |
573.24 |
| Oct 16 2009 |
13526 |
572.08 |
| Oct 09 2009 |
13231 |
568.99 |
| Oct 02 2009 |
12256 |
561.65 |
| Sep 25 2009 |
11605 |
561.65 |
| Sep 18 2009 |
11355 |
561.65 |
| Sep 11 2009 |
11145 |
559.01 |
| Jan 30 2009 |
11050 |
561.4 |
| Jan 09 2009 |
10085 |
561.4 |
| Dec 18 2008 |
9856 |
561.4 |
| Dec 12 2008 |
9835 |
561.4 |
| Dec 05 2008 |
9877 |
561.4 |
| Nov 28 2008 |
9595 |
561.46 |
| Nov 21 2008 |
9541 |
561.46 |
| Nov 14 2008 |
9121 |
555.89 |
| Nov 07 2008 |
8844 |
551.53 |
| Oct 31 2008 |
8375 |
554.9 |
| Oct 24 2008 |
7806 |
544.19 |
| Oct 17 2008 |
7020 |
542.05 |
| Oct 10 2008 |
6361 |
527.45 |
