| Wed, Jan 18, 2012 4:07 PM | 13K |
| Tue, Feb 7, 2012 2:35 PM | 22K |
| Tue, Feb 7, 2012 2:36 PM | 11K |
| Wed, Feb 22, 2012 12:52 PM | 18K |
| Tue, Mar 6, 2012 5:18 PM | 26K |
| Fri, Mar 9, 2012 12:21 PM | 21K |
| Mon, Apr 9, 2012 10:45 AM | 29K |
| Mon, Apr 9, 2012 10:45 AM | 11K |
| Mon, Apr 9, 2012 10:46 AM | 11K |
| Fri, Apr 20, 2012 11:25 AM | 18K |
| Wed, May 9, 2012 11:05 AM | 15K |
