Jan. 20, 2006

$378

$373

Jan. 27, 2006

$383

$380

Feb. 10, 2006

$378

$369

Feb. 17, 2006

$376

$369

Mar. 17, 2006

$373

$373

Mar. 24, 2006

$367

$376

Apr. 21, 2006

$370

$355

Apr. 28, 2006

$377

$353

May 12, 2006

$364

$329

May 19, 2006

$345

$320

Jun. 16, 2006

$326

$328

Jun. 23, 2006

$327

$321

Jul. 14, 2006

$317

$294

Jul. 21, 2006

$308

$282

Aug. 11, 2006

$291

$288

Aug. 18, 2006

$290

$276

Sep. 8, 2006

$305

$298

Sep. 15, 2006

$301

$274

Oct. 13, 2006

$280

$265

Oct. 20, 2006

$284

$259

Nov. 17, 2006

$278

$275

Nov. 22, 2006

$279

$277

Dec. 22, 2006

$293

$268

Dec. 29, 2006

$296

$272

Jan. 26, 2007

$285

$264

Feb. 2, 2007

$282

$258