2011-07-04     27,924

2011-06-30     27,385

2011-06-23     26,967

2011-06-22     27,421

2011-05-23     27,586

2011-05-17     28,804

2011-05-02     29,149

2011-04-21     29,497

2011-04-14     29,375

2011-04-11     28,383