Jan 1, 2011- 276.6 
jan 2, 2011- 274 
jan 3, 2011- 270.8 
jan 4, 2011- 268.4 
jan 5, 2011- 269.2
jan 6, 2011- 270.4
jan 7, 2011- 269.2 
jan 8, 2011- 268.4 
Jan 11, 2011-268 
Feb 3, 2011- 265.8
Feb 4, 2011- 265.2 
Feb 5, 2011- 265 
Feb 6, 2011- 263.4 
Feb 7, 2011- 263