| Sep 30 2011 |
17811 |
538.16 |
| Sep 27 2011 |
17377 |
538.16 |
| Sep 23 2011 |
17272 |
538.16 |
| Sep 16 2011 |
16088 |
528.89 |
| Sep 09 2011 |
15666 |
528.88 |
| Jan 13 2011 |
15441 |
528.68 |
| Dec 28 2010 |
15660 |
528.67 |
| Dec 14 2010 |
15510 |
528.67 |
| Dec 03 2010 |
15642 |
528.66 |
| Nov 26 2010 |
15041 |
520.19 |
| Nov 19 2010 |
14530 |
514.1 |
| Nov 12 2010 |
14170 |
511.85 |
| Nov 04 2010 |
13731 |
504.99 |
| Oct 28 2010 |
13193 |
503.14 |
| Oct 22 2010 |
13053 |
503.05 |
| Oct 14 2010 |
12995 |
505.5 |
| Oct 05 2010 |
11928 |
503.07 |
| Sep 29 2010 |
12215 |
503.07 |
| Sep 24 2010 |
12006 |
506.99 |
| Sep 17 2010 |
11544 |
507.29 |
| Sep 10 2010 |
11317 |
507.29 |
| Aug 15 2010 |
8904 |
492.4 |
| Jan 29 2010 |
11286 |
507.29 |
| Jan 15 2010 |
11235 |
507.29 |
| Jan 08 2010 |
11102 |
507.29 |
| Dec 18 2009 |
10693 |
507.29 |
| Dec 09 2009 |
10542 |
507.29 |
| Dec 04 2009 |
10283 |
507.29 |
| Nov 27 2009 |
10515 |
513.2 |
| Nov 20 2009 |
10119 |
513.2 |
| Nov 13 2009 |
9440 |
510.41 |
| Nov 06 2009 |
9543 |
515.22 |
| Oct 30 2009 |
11525 |
520.87 |
| Oct 23 2009 |
11032 |
520.87 |
| Oct 16 2009 |
10667 |
517.94 |
| Oct 09 2009 |
10212 |
511.29 |
| Oct 02 2009 |
9758 |
511.29 |
| Sep 25 2009 |
8918 |
504.89 |
| Sep 18 2009 |
7871 |
486.35 |
| Nov 28 2008 |
3483 |
398.76 |
| Nov 21 2008 |
3477 |
398.76 |
| Nov 14 2008 |
3359 |
398.76 |
| Nov 07 2008 |
3251 |
398.76 |
| Oct 31 2008 |
2972 |
398.76 |
| Oct 24 2008 |
2919 |
398.76 |
| Oct 17 2008 |
2716 |
398.76 |
| Oct 10 2008 |
2629 |
398.76 |
| Oct 03 2008 |
2408 |
398.76 |
| Sep 26 2008 |
2263 |
398.76 |
| Sep 19 2008 |
2282 |
398.76 |
| Feb 01 2008 |
2207 |
398.76 |
| Dec 12 2007 |
2157 |
398.76 |
| Dec 07 2007 |
2149 |
398.76 |
