2011-07-25     28,604

2011-07-14     29,559

2011-07-11     27,376

2011-07-04     27,726

2011-06-30     27,174

2011-06-23     26,758

2011-06-22     27,184

2011-05-23     27,366

2011-05-17     28,591

2011-05-02     28,933