| Type | Filed | |
|---|---|---|
| DEF 14A | 2017-04-28 | EDGAR |
| DEF 14A | 2016-05-04 | EDGAR |
| DEF 14A | 2015-05-04 | EDGAR |
| DEF 14A | 2014-05-06 | EDGAR |
| DEF 14A | 2013-05-08 | EDGAR |
| DEF 14A | 2012-05-11 | EDGAR |
| DEF 14A | 2011-05-10 | EDGAR |
| DEF 14A | 2010-05-05 | EDGAR |
| DEF 14A | 2009-05-06 | EDGAR |
| DEF 14A | 2008-05-08 | EDGAR |
| DEF 14A | 2007-05-04 | EDGAR |
| DEF 14A | 2006-05-09 | EDGAR |
| DEF 14A | 2005-05-13 | EDGAR |
| DEF 14A | 2004-05-07 | EDGAR |
| DEF 14A | 2003-05-07 | EDGAR |
| DEF 14A | 2002-04-23 | EDGAR |
| DEF 14A | 2001-04-26 | EDGAR |
| DEF 14A | 2000-04-24 | EDGAR |