| Type | Filed | |
|---|---|---|
| DEF 14A | 2016-10-28 | EDGAR |
| DEF 14A | 2016-04-05 | EDGAR |
| DEF 14A | 2015-12-16 | EDGAR |
| DEF 14A | 2015-10-02 | EDGAR |
| DEF 14A | 2015-04-29 | EDGAR |
| DEF 14A | 2014-10-02 | EDGAR |
| DEF 14A | 2013-10-07 | EDGAR |
| DEF 14A | 2013-07-08 | EDGAR |
| DEF 14A | 2012-10-16 | EDGAR |
| DEF 14A | 2012-03-06 | EDGAR |
| DEF 14A | 2011-10-14 | EDGAR |
| DEF 14A | 2010-12-27 | EDGAR |
| DEF 14A | 2010-10-18 | EDGAR |