| Dec 31 2012 |
19074 |
522.49 |
| Dec 24 2012 |
19069 |
522.49 |
| Dec 17 2012 |
19077 |
522.49 |
| Dec 10 2012 |
18891 |
522.49 |
| Dec 03 2012 |
19092 |
522.49 |
| Nov 26 2012 |
19001 |
522.49 |
| Nov 19 2012 |
19789 |
530.8 |
| Nov 12 2012 |
19615 |
527.35 |
| Nov 05 2012 |
19363 |
524.4 |
| Oct 29 2012 |
19494 |
524.4 |
| Oct 22 2012 |
19407 |
524.4 |
| Oct 15 2012 |
19218 |
524.4 |
| Oct 02 2012 |
19321 |
534.78 |
| Sep 26 2012 |
19290 |
534.78 |
| Sep 20 2012 |
19094 |
534.78 |
| Sep 13 2012 |
18818 |
534.78 |
| Jan 19 2012 |
17506 |
527.23 |
| Dec 29 2011 |
18124 |
537.19 |
| Dec 13 2011 |
17898 |
537.21 |
| Dec 09 2011 |
17046 |
525.11 |
| Dec 01 2011 |
17957 |
537.23 |
| Nov 25 2011 |
18167 |
537.23 |
| Nov 17 2011 |
18087 |
536.6 |
| Nov 10 2011 |
20038 |
558.59 |
| Nov 04 2011 |
20043 |
558.45 |
| Oct 28 2011 |
19908 |
558.28 |
| Oct 21 2011 |
20460 |
564.46 |
| Oct 14 2011 |
19523 |
553.48 |
| Oct 07 2011 |
19156 |
553.52 |
| Sep 30 2011 |
18175 |
542.43 |
| Sep 27 2011 |
17724 |
542.46 |
| Sep 23 2011 |
17623 |
542.49 |
| Sep 16 2011 |
17693 |
552.2 |
| Sep 09 2011 |
17209 |
552.22 |
| Jan 13 2011 |
16962 |
552.58 |
| Dec 28 2010 |
17181 |
552.59 |
| Dec 14 2010 |
16999 |
552.6 |
| Dec 03 2010 |
17254 |
554.06 |
| Nov 26 2010 |
17268 |
554.06 |
| Nov 19 2010 |
17238 |
554.07 |
| Nov 12 2010 |
17497 |
563.6 |
| Nov 04 2010 |
17701 |
563.51 |
| Oct 28 2010 |
17173 |
562.86 |
| Oct 22 2010 |
15667 |
541.7 |
| Oct 14 2010 |
14925 |
534.04 |
| Oct 05 2010 |
14158 |
538.56 |
| Sep 29 2010 |
14815 |
543.13 |
| Sep 24 2010 |
14215 |
543.13 |
| Sep 17 2010 |
13640 |
543.13 |
| Sep 10 2010 |
13377 |
543.13 |
| Aug 15 2010 |
10813 |
533.39 |
| Jan 29 2010 |
13340 |
543.13 |
| Jan 15 2010 |
13286 |
543.13 |
| Jan 08 2010 |
13143 |
543.13 |
| Dec 18 2009 |
12698 |
543.13 |
| Dec 09 2009 |
12521 |
543.13 |
| Dec 04 2009 |
12176 |
543.13 |
| Nov 27 2009 |
12077 |
543.13 |
| Nov 20 2009 |
11652 |
543.13 |
| Nov 13 2009 |
11041 |
543.58 |
| Nov 06 2009 |
10892 |
543.58 |
| Oct 30 2009 |
12246 |
533.69 |
| Oct 23 2009 |
11537 |
530.3 |
| Oct 16 2009 |
11807 |
539.61 |
| Oct 09 2009 |
12831 |
561.29 |
| Oct 02 2009 |
12240 |
561.25 |
| Sep 25 2009 |
13108 |
594.87 |
| Sep 18 2009 |
13024 |
599.37 |
| Sep 11 2009 |
12114 |
580.9 |
| Jan 30 2009 |
11922 |
580.9 |
| Jan 09 2009 |
10832 |
580.9 |
| Dec 18 2008 |
10597 |
580.9 |
| Dec 12 2008 |
11175 |
598.48 |
| Dec 05 2008 |
11265 |
600.04 |
| Nov 28 2008 |
10933 |
600.04 |
| Nov 21 2008 |
10860 |
600.04 |
| Nov 14 2008 |
10544 |
600.04 |
| Nov 07 2008 |
10405 |
600.04 |
| Oct 31 2008 |
10253 |
620.19 |
| Oct 24 2008 |
10572 |
655.72 |
| Oct 17 2008 |
9508 |
655.72 |
| Oct 10 2008 |
8903 |
637.98 |
| Oct 03 2008 |
8082 |
637.98 |
| Sep 26 2008 |
7236 |
619.04 |
| Sep 19 2008 |
7609 |
656.38 |
| Feb 01 2008 |
7209 |
656.38 |
| Dec 12 2007 |
7035 |
656.38 |
| Dec 07 2007 |
7213 |
681.44 |
| Nov 30 2007 |
7096 |
681.44 |
| Nov 23 2007 |
7037 |
681.44 |
| Nov 16 2007 |
7221 |
681.44 |
| Nov 09 2007 |
7067 |
681.44 |
| Nov 02 2007 |
6864 |
681.44 |
