|
|
Jan 21, 2010
|
100.89
|
|
Feb 18, 2010
|
100.43
|
|
Mar 18, 2010
|
102.82
|
|
Apr 15, 2010
|
104.43
|
|
May 20, 2010
|
94.66
|
|
Jun 17, 2010
|
100.24
|
|
Jul 15, 2010
|
100.54
|
|
Aug 19, 2010
|
99.25
|
|
Sep 16, 2010
|
103.09
|
|
Oct 21, 2010
|
108.31
|
|
Nov 18, 2010
|
107.05
|
|
Dec 16, 2010
|
109.34
|
|
Jan 20, 2011
|
112.15
|
|
Feb 17, 2011
|
117.18
|
|
Mar 17, 2011
|
115.53
|
|
Apr 21, 2011
|
113.86
|
|
May 19, 2011
|
114.41
|
|
Jun 16, 2011
|
110.79
|
|
Jul 21, 2011
|
114.33
|
|
Aug 18, 2011
|
106.07
|
|
Dec 17, 2009
|
102.65
|
|
Sep 21, 2011
|
108.39
|
|
Oct 20, 2011
|
106.76
|
|
Nov 21, 2011
|
105.61
|
|
Dec 15, 2011
|
101.88
|
|
Jan 19, 2012
|
108.61
|
|
FEB 16, 2012
|
113.93
|
|
Mar 15, 2012
|
115.43
|
|
|