2011-05-17     28,661

2011-05-02     29,000

2011-04-21     29,382

2011-04-14     29,215

2011-04-11     28,228

2011-04-07     27,267

2011-04-02     26,971

2011-03-22     27,250

2011-03-17     27,645

2011-03-13     28,343