| Sep 30 2013 |
19048 |
521.68 |
| Sep 23 2013 |
19019 |
521.68 |
| Sep 16 2013 |
18851 |
521.68 |
| Sep 09 2013 |
18775 |
521.68 |
| Sep 02 2013 |
20585 |
541.06 |
| Aug 26 2013 |
20550 |
541.06 |
| Aug 19 2013 |
20571 |
541.06 |
| Aug 12 2013 |
20572 |
541.06 |
| Aug 05 2013 |
20574 |
541.06 |
| Jul 29 2013 |
20575 |
541.06 |
| Jul 22 2013 |
20622 |
541.06 |
| Jul 15 2013 |
20622 |
541.06 |
| Jul 08 2013 |
20622 |
541.06 |
| Jul 01 2013 |
20622 |
541.06 |
| Jun 24 2013 |
20623 |
541.06 |
| Jun 17 2013 |
20623 |
541.06 |
| Jun 10 2013 |
20623 |
541.06 |
| Jun 03 2013 |
20623 |
541.06 |
| May 27 2013 |
20623 |
541.06 |
| May 20 2013 |
20623 |
541.06 |
| May 13 2013 |
20623 |
541.06 |
| May 06 2013 |
20623 |
541.06 |
| Apr 29 2013 |
20623 |
541.06 |
| Apr 22 2013 |
20584 |
541.06 |
| Apr 15 2013 |
20591 |
541.06 |
| Apr 08 2013 |
20591 |
541.06 |
| Apr 01 2013 |
20591 |
541.06 |
| Mar 25 2013 |
20578 |
541.06 |
| Mar 18 2013 |
20578 |
541.06 |
| Mar 11 2013 |
20578 |
541.06 |
| Mar 04 2013 |
20578 |
541.06 |
| Feb 25 2013 |
20578 |
541.06 |
| Feb 18 2013 |
20581 |
541.06 |
| Feb 11 2013 |
20590 |
541.06 |
| Feb 04 2013 |
20555 |
541.06 |
| Jan 28 2013 |
20594 |
541.06 |
| Jan 21 2013 |
20613 |
541.06 |
| Jan 14 2013 |
20720 |
541.06 |
| Jan 07 2013 |
20677 |
541.06 |
| Dec 31 2012 |
20690 |
541.06 |
| Dec 24 2012 |
20701 |
541.06 |
| Dec 17 2012 |
20700 |
541.06 |
| Dec 10 2012 |
20491 |
541.06 |
| Dec 03 2012 |
20694 |
541.06 |
| Nov 26 2012 |
20586 |
541.06 |
| Nov 19 2012 |
18673 |
518.27 |
| Nov 12 2012 |
18760 |
518.27 |
| Nov 05 2012 |
18789 |
518.27 |
| Oct 29 2012 |
18749 |
516.18 |
| Oct 22 2012 |
17632 |
504.26 |
| Oct 15 2012 |
17462 |
504.26 |
| Oct 02 2012 |
16573 |
500.11 |
| Sep 26 2012 |
16368 |
498.28 |
| Sep 20 2012 |
16234 |
498.28 |
| Sep 13 2012 |
15994 |
498.28 |
| Jan 19 2012 |
15154 |
497.19 |
| Dec 29 2011 |
15059 |
497.22 |
| Dec 13 2011 |
14880 |
497.24 |
| Dec 09 2011 |
14904 |
497.24 |
| Dec 01 2011 |
14892 |
497.25 |
| Nov 25 2011 |
15057 |
497.26 |
| Nov 17 2011 |
15393 |
502.2 |
| Nov 10 2011 |
15640 |
502.12 |
| Nov 04 2011 |
14227 |
485.6 |
| Oct 28 2011 |
13937 |
483.14 |
| Oct 21 2011 |
15108 |
495.41 |
| Oct 14 2011 |
14808 |
493.78 |
| Oct 07 2011 |
14243 |
490.68 |
| Sep 30 2011 |
13756 |
486.64 |
| Sep 27 2011 |
13422 |
486.57 |
| Sep 23 2011 |
13339 |
486.47 |
| Sep 16 2011 |
12966 |
486.31 |
| Sep 09 2011 |
11338 |
469.74 |
| Jan 13 2011 |
11195 |
469.84 |
| Dec 28 2010 |
11409 |
469.84 |
| Dec 14 2010 |
11316 |
469.85 |
| Dec 03 2010 |
11362 |
469.85 |
| Nov 26 2010 |
11341 |
469.85 |
| Nov 19 2010 |
10781 |
463.53 |
| Nov 12 2010 |
12160 |
484.16 |
| Nov 04 2010 |
12188 |
484.16 |
| Oct 28 2010 |
12713 |
496.54 |
| Oct 22 2010 |
11348 |
480.18 |
