| Type | Filed | |
|---|---|---|
| 4 | 2011-02-01 | EDGAR |
| 4 | 2011-01-18 | EDGAR |
| 4 | 2011-01-04 | EDGAR |
| 4 | 2011-01-04 | EDGAR |
| 4 | 2011-01-04 | EDGAR |
| 4 | 2011-01-04 | EDGAR |
| 4 | 2010-12-29 | EDGAR |
| 4 | 2010-12-22 | EDGAR |
| 4 | 2010-10-08 | EDGAR |
| 4 | 2010-09-21 | EDGAR |
| 4 | 2010-08-04 | EDGAR |
| 4 | 2010-02-16 | EDGAR |
| 4 | 2010-02-12 | EDGAR |
| 4 | 2010-02-10 | EDGAR |
| 4 | 2010-02-09 | EDGAR |
| 4 | 2010-02-09 | EDGAR |
| 4 | 2010-02-09 | EDGAR |
| 4 | 2010-01-04 | EDGAR |
| 4 | 2009-12-23 | EDGAR |
| 4 | 2009-12-21 | EDGAR |