| Dec 31 2012 |
14659 |
474.66 |
| Dec 24 2012 |
14658 |
474.66 |
| Dec 17 2012 |
14687 |
474.66 |
| Dec 10 2012 |
14534 |
474.66 |
| Dec 03 2012 |
14734 |
474.66 |
| Nov 26 2012 |
14632 |
474.66 |
| Nov 19 2012 |
14685 |
474.66 |
| Nov 12 2012 |
12211 |
447.88 |
| Nov 05 2012 |
12224 |
447.88 |
| Oct 29 2012 |
10383 |
427.08 |
| Oct 22 2012 |
9694 |
419.54 |
| Oct 15 2012 |
9619 |
419.54 |
| Oct 02 2012 |
7158 |
389.27 |
| Sep 26 2012 |
7193 |
389.27 |
| Sep 20 2012 |
6764 |
383.67 |
| Sep 13 2012 |
6718 |
383.67 |
| Jan 19 2012 |
7412 |
403.26 |
| Dec 29 2011 |
7338 |
403.35 |
| Dec 13 2011 |
7248 |
403.34 |
| Dec 09 2011 |
7255 |
403.34 |
| Dec 01 2011 |
7232 |
403.34 |
| Nov 25 2011 |
7310 |
403.34 |
| Nov 17 2011 |
7417 |
405.74 |
| Nov 10 2011 |
7485 |
405.73 |
| Nov 04 2011 |
7464 |
405.73 |
| Oct 28 2011 |
10548 |
444.01 |
| Oct 21 2011 |
10303 |
440.4 |
| Oct 14 2011 |
10196 |
440.53 |
| Oct 07 2011 |
10231 |
443.79 |
| Sep 30 2011 |
10157 |
444.08 |
| Sep 27 2011 |
9932 |
444.2 |
| Sep 23 2011 |
13104 |
483.51 |
| Sep 16 2011 |
13516 |
493.91 |
| Sep 09 2011 |
13178 |
493.9 |
| Jan 13 2011 |
12990 |
493.73 |
| Dec 28 2010 |
13208 |
493.73 |
| Dec 14 2010 |
13095 |
493.72 |
| Dec 03 2010 |
13216 |
494.25 |
| Nov 26 2010 |
13195 |
494.26 |
| Nov 19 2010 |
13109 |
494.27 |
| Nov 12 2010 |
12918 |
494.28 |
| Nov 04 2010 |
12944 |
494.29 |
| Oct 28 2010 |
12765 |
497.18 |
| Oct 22 2010 |
12610 |
497.18 |
| Oct 14 2010 |
12397 |
497.18 |
| Oct 05 2010 |
11537 |
497.18 |
| Sep 29 2010 |
11821 |
497.18 |
| Sep 24 2010 |
11354 |
497.18 |
| Sep 17 2010 |
10949 |
497.18 |
| Sep 10 2010 |
10733 |
497.18 |
| Aug 15 2010 |
9121 |
497.18 |
| Jan 29 2010 |
10707 |
497.18 |
| Jan 15 2010 |
10655 |
497.18 |
| Jan 08 2010 |
10524 |
497.18 |
| Dec 18 2009 |
10129 |
497.18 |
| Dec 09 2009 |
9994 |
497.18 |
