| Type | Filed | |
|---|---|---|
| 4 | 2012-01-03 | EDGAR |
| 4 | 2011-12-23 | EDGAR |
| 4 | 2011-12-20 | EDGAR |
| 4 | 2011-12-15 | EDGAR |
| 4 | 2011-12-07 | EDGAR |
| 4 | 2011-11-28 | EDGAR |
| 4 | 2011-11-18 | EDGAR |
| 4 | 2011-11-15 | EDGAR |
| 4 | 2011-11-10 | EDGAR |
| 4 | 2011-11-07 | EDGAR |
| 4 | 2011-11-07 | EDGAR |
| 4 | 2011-10-31 | EDGAR |
| 4 | 2011-10-24 | EDGAR |
| 4 | 2011-10-20 | EDGAR |
| 4 | 2011-10-17 | EDGAR |
| 4 | 2011-10-12 | EDGAR |
| 4 | 2011-10-06 | EDGAR |
| 4 | 2011-09-29 | EDGAR |
| 4 | 2011-09-26 | EDGAR |
| 4 | 2011-09-26 | EDGAR |