| Type | Filed | |
|---|---|---|
| DEF 14A | 2017-04-28 | EDGAR |
| DEF 14A | 2016-04-22 | EDGAR |
| DEF 14A | 2015-04-24 | EDGAR |
| DEF 14A | 2014-04-22 | EDGAR |
| DEF 14A | 2013-04-03 | EDGAR |
| DEF 14A | 2012-04-17 | EDGAR |
| DEF 14A | 2011-04-27 | EDGAR |
| DEF 14A | 2010-04-30 | EDGAR |
| DEF 14A | 2009-04-29 | EDGAR |
| DEF 14A | 2008-04-29 | EDGAR |
| DEF 14A | 2007-04-30 | EDGAR |
| DEF 14A | 2006-05-01 | EDGAR |
| DEF 14A | 2005-04-29 | EDGAR |
| DEF 14A | 2004-04-29 | EDGAR |
| DEF 14A | 2003-04-29 | EDGAR |
| DEF 14A | 2002-04-26 | EDGAR |
| DEF 14A | 2001-04-27 | EDGAR |
| DEF 14A | 2000-05-01 | EDGAR |