| Dec 31 2012 |
18940 |
521.07 |
| Dec 24 2012 |
16807 |
496.96 |
| Dec 17 2012 |
15178 |
479.65 |
| Dec 10 2012 |
14195 |
470.99 |
| Dec 03 2012 |
14493 |
472.1 |
| Nov 26 2012 |
12856 |
456.12 |
| Nov 19 2012 |
12912 |
456.12 |
| Nov 12 2012 |
13022 |
456.12 |
| Nov 05 2012 |
13037 |
456.12 |
| Oct 29 2012 |
13140 |
456.12 |
| Oct 22 2012 |
13189 |
456.12 |
| Oct 15 2012 |
13007 |
456.12 |
| Oct 02 2012 |
12699 |
456.12 |
| Sep 26 2012 |
12689 |
456.12 |
| Sep 20 2012 |
12567 |
456.12 |
| Sep 13 2012 |
12413 |
456.12 |
| Jan 19 2012 |
11928 |
459.83 |
| Dec 29 2011 |
11188 |
451.86 |
| Dec 13 2011 |
13139 |
476.54 |
| Dec 09 2011 |
15241 |
501.34 |
| Dec 01 2011 |
20560 |
574.26 |
| Nov 25 2011 |
19084 |
549.22 |
| Nov 17 2011 |
18653 |
543.98 |
| Nov 10 2011 |
18959 |
543.95 |
| Nov 04 2011 |
18749 |
540.17 |
| Oct 28 2011 |
18613 |
540.14 |
| Oct 21 2011 |
18066 |
532.01 |
| Oct 14 2011 |
17788 |
530.11 |
| Oct 07 2011 |
17185 |
526.82 |
| Sep 30 2011 |
17015 |
526.82 |
| Sep 27 2011 |
16606 |
526.82 |
| Sep 23 2011 |
16500 |
526.82 |
| Sep 16 2011 |
15938 |
526.82 |
| Sep 09 2011 |
15525 |
526.82 |
| Jan 13 2011 |
15309 |
526.83 |
| Dec 28 2010 |
15527 |
526.83 |
| Dec 14 2010 |
15379 |
526.83 |
| Dec 03 2010 |
15052 |
520.36 |
| Nov 26 2010 |
15309 |
523.47 |
| Nov 19 2010 |
15248 |
524.11 |
| Nov 12 2010 |
14803 |
521.71 |
| Nov 04 2010 |
14859 |
521.71 |
| Oct 28 2010 |
14456 |
521.72 |
| Oct 22 2010 |
14298 |
521.51 |
| Oct 14 2010 |
14487 |
527.63 |
| Oct 05 2010 |
13809 |
532.03 |
| Sep 29 2010 |
14112 |
532.03 |
| Sep 24 2010 |
13551 |
532.03 |
| Sep 17 2010 |
13388 |
539.62 |
| Sep 10 2010 |
13122 |
539.62 |
| Aug 15 2010 |
11043 |
539.62 |
| Jan 29 2010 |
13089 |
539.62 |
| Jan 15 2010 |
13031 |
539.62 |
| Jan 08 2010 |
12888 |
539.62 |
| Dec 18 2009 |
12452 |
539.62 |
| Dec 09 2009 |
11828 |
529.74 |
| Dec 04 2009 |
11153 |
523.41 |
| Nov 27 2009 |
11501 |
531.74 |
| Nov 20 2009 |
11243 |
535.03 |
| Nov 13 2009 |
9188 |
505.09 |
| Nov 06 2009 |
10277 |
531.28 |
| Dec 05 2008 |
12585 |
646.61 |
| Nov 28 2008 |
10107 |
575.65 |
| Nov 21 2008 |
10053 |
575.65 |
| Nov 14 2008 |
9761 |
575.65 |
| Nov 07 2008 |
9643 |
575.65 |
| Oct 31 2008 |
8850 |
570.53 |
| Oct 24 2008 |
8570 |
570.53 |
| Oct 17 2008 |
7770 |
570.53 |
| Oct 10 2008 |
8090 |
594.85 |
| Oct 03 2008 |
7357 |
594.85 |
| Sep 26 2008 |
6853 |
594.85 |
| Sep 19 2008 |
6709 |
594.85 |
| Feb 01 2008 |
6381 |
594.85 |
| Dec 12 2007 |
6246 |
594.85 |
| Dec 07 2007 |
5918 |
577.6 |
| Nov 30 2007 |
6358 |
614.05 |
| Nov 23 2007 |
6305 |
614.05 |
| Nov 16 2007 |
6471 |
614.05 |
| Nov 09 2007 |
6368 |
614.05 |
| Nov 02 2007 |
6779 |
667.82 |
| Oct 26 2007 |
6656 |
667.82 |
| Oct 19 2007 |
6469 |
667.82 |
