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