| Sep 30 2011 |
19691 |
564.18 |
| Sep 27 2011 |
19188 |
564.18 |
| Sep 23 2011 |
21078 |
593.65 |
| Sep 16 2011 |
20368 |
593.67 |
| Sep 09 2011 |
19783 |
593.69 |
| Jan 13 2011 |
19494 |
593.97 |
| Dec 28 2010 |
19685 |
593.98 |
| Dec 14 2010 |
19483 |
593.98 |
| Dec 03 2010 |
19689 |
593.99 |
| Nov 26 2010 |
20221 |
601.8 |
| Nov 19 2010 |
19721 |
594.81 |
| Nov 12 2010 |
19380 |
594.82 |
| Nov 04 2010 |
19864 |
599.36 |
| Oct 28 2010 |
19357 |
599.46 |
| Oct 22 2010 |
19205 |
599.53 |
| Oct 14 2010 |
18935 |
599.63 |
| Oct 05 2010 |
17614 |
600.35 |
| Sep 29 2010 |
18145 |
600.35 |
| Sep 24 2010 |
16845 |
590.31 |
| Sep 17 2010 |
16082 |
590.31 |
| Sep 10 2010 |
15547 |
586.42 |
| Aug 15 2010 |
13507 |
605.06 |
| Jan 29 2010 |
15009 |
576.03 |
| Jan 15 2010 |
14949 |
576.03 |
| Jan 08 2010 |
14803 |
576.03 |
| Dec 18 2009 |
14337 |
576.03 |
| Dec 09 2009 |
14137 |
576.03 |
| Dec 04 2009 |
13113 |
562.1 |
| Nov 27 2009 |
12982 |
562.1 |
| Nov 20 2009 |
12522 |
562.1 |
| Nov 13 2009 |
11076 |
544.74 |
| Nov 06 2009 |
10927 |
544.74 |
| Oct 30 2009 |
12851 |
544.74 |
| Oct 23 2009 |
12350 |
544.74 |
| Oct 16 2009 |
11556 |
534.45 |
| Oct 09 2009 |
11453 |
534.45 |
| Oct 02 2009 |
10986 |
534.45 |
| Sep 25 2009 |
10392 |
534.45 |
| Sep 18 2009 |
10160 |
534.45 |
| Sep 11 2009 |
10048 |
534.45 |
