| View data for the month of: | September 2011 |
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| Date | Trades | Shares |
| 09/30/2011 | 190,280 | 42,807,859 |
| 09/29/2011 | 175,504 | 42,643,622 |
| 09/28/2011 | 164,498 | 39,207,570 |
| 09/27/2011 | 192,668 | 47,045,977 |
| 09/26/2011 | 178,187 | 42,784,989 |
| 09/23/2011 | 192,792 | 46,097,267 |
| 09/22/2011 | 273,773 | 63,438,371 |
| 09/21/2011 | 209,651 | 49,595,489 |
| 09/20/2011 | 156,462 | 36,332,340 |
| 09/19/2011 | 158,621 | 40,912,969 |
| 09/16/2011 | 170,684 | 90,568,375 |
| 09/15/2011 | 172,685 | 38,066,212 |
| 09/14/2011 | 222,413 | 48,659,633 |
| 09/13/2011 | 203,550 | 43,207,256 |
| 09/12/2011 | 197,956 | 42,037,689 |
| 09/09/2011 | 227,461 | 46,968,531 |
| 09/08/2011 | 204,065 | 38,954,389 |
| 09/07/2011 | 180,574 | 35,966,372 |
| 09/06/2011 | 224,816 | 41,659,204 |
| 09/02/2011 | 201,466 | 39,758,790 |
| 09/01/2011 | 213,562 | 41,404,641 |
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