2011-05-17     28,697

2011-05-02     29,030

2011-04-21     29,409

2011-04-14     29,253

2011-04-11     28,263

2011-04-07     27,292

2011-04-02     27,000

2011-03-22     27,293

2011-03-17     27,665

2011-03-13     28,375