| Dec 13 2011 |
20949 |
580.42 |
| Dec 09 2011 |
20977 |
580.42 |
| Dec 01 2011 |
20984 |
580.42 |
| Nov 25 2011 |
21253 |
580.42 |
| Nov 17 2011 |
19200 |
551.57 |
| Nov 10 2011 |
17203 |
521.48 |
| Nov 04 2011 |
16325 |
510.55 |
| Oct 28 2011 |
13933 |
483.08 |
| Oct 21 2011 |
14061 |
483.06 |
| Oct 14 2011 |
14901 |
494.85 |
| Oct 07 2011 |
14578 |
494.89 |
| Sep 30 2011 |
14221 |
492.55 |
| Sep 27 2011 |
13888 |
492.56 |
| Sep 23 2011 |
13887 |
493.65 |
| Sep 16 2011 |
13496 |
493.67 |
| Sep 09 2011 |
13161 |
493.68 |
| Jan 13 2011 |
13000 |
493.9 |
| Dec 28 2010 |
13218 |
493.91 |
| Dec 14 2010 |
12514 |
485.75 |
| Dec 03 2010 |
12591 |
485.75 |
| Nov 26 2010 |
12560 |
485.75 |
| Nov 19 2010 |
11807 |
477.05 |
| Nov 12 2010 |
12216 |
485.04 |
| Nov 04 2010 |
12699 |
491.38 |
| Oct 28 2010 |
13396 |
505.97 |
| Oct 22 2010 |
13259 |
505.97 |
| Oct 14 2010 |
11945 |
490.69 |
| Oct 05 2010 |
11128 |
490.77 |
| Sep 29 2010 |
12032 |
500.14 |
