| Sep 30 2011 |
12546 |
471.99 |
| Sep 27 2011 |
12245 |
471.99 |
| Sep 23 2011 |
12184 |
471.99 |
| Sep 16 2011 |
11823 |
471.99 |
| Sep 09 2011 |
11532 |
471.99 |
| Jan 13 2011 |
11381 |
471.98 |
| Dec 28 2010 |
11597 |
471.98 |
| Dec 14 2010 |
11497 |
471.98 |
| Dec 03 2010 |
11542 |
471.98 |
| Nov 26 2010 |
11518 |
471.98 |
| Nov 19 2010 |
12075 |
480.54 |
| Nov 12 2010 |
11889 |
480.7 |
| Nov 04 2010 |
11100 |
470.05 |
| Oct 28 2010 |
10724 |
469.99 |
| Oct 22 2010 |
9928 |
460.3 |
| Oct 14 2010 |
9744 |
460.05 |
| Oct 05 2010 |
8250 |
447.33 |
| Sep 29 2010 |
7726 |
436.52 |
| Sep 24 2010 |
7443 |
436.52 |
| Sep 17 2010 |
7272 |
438.07 |
| Sep 10 2010 |
7335 |
441.35 |
| Aug 15 2010 |
5420 |
421.34 |
| Jan 29 2010 |
7352 |
441.35 |
| Jan 15 2010 |
7306 |
441.35 |
| Jan 08 2010 |
7178 |
441.35 |
| Dec 18 2009 |
6863 |
441.35 |
| Dec 09 2009 |
6769 |
441.35 |
| Dec 04 2009 |
6628 |
441.35 |
| Nov 27 2009 |
6429 |
437.92 |
| Nov 20 2009 |
6149 |
437.92 |
| Nov 13 2009 |
6295 |
447.86 |
| Nov 06 2009 |
6196 |
447.86 |
| Oct 30 2009 |
8552 |
470.38 |
| Oct 23 2009 |
7808 |
464.74 |
| Oct 16 2009 |
8192 |
473.23 |
| Oct 09 2009 |
8086 |
473.23 |
| Oct 02 2009 |
8836 |
494.74 |
| Sep 25 2009 |
9519 |
516.6 |
| Sep 18 2009 |
9323 |
516.6 |
| Sep 11 2009 |
9042 |
512.28 |
| Jan 30 2009 |
8866 |
512.28 |
