| Type | Filed | |
|---|---|---|
| DEF 14A | 2019-04-18 | EDGAR |
| DEF 14A | 2018-04-20 | EDGAR |
| DEF 14A | 2017-04-20 | EDGAR |
| DEF 14A | 2016-04-20 | EDGAR |
| DEF 14A | 2015-04-23 | EDGAR |
| DEF 14A | 2014-04-18 | EDGAR |
| DEF 14A | 2013-04-04 | EDGAR |
| DEF 14A | 2012-04-04 | EDGAR |
| DEF 14A | 2011-04-06 | EDGAR |
| DEF 14A | 2010-04-08 | EDGAR |
| DEF 14A | 2009-04-08 | EDGAR |
| DEF 14A | 2008-04-08 | EDGAR |
| DEF 14A | 2007-04-11 | EDGAR |
| DEF 14A | 2006-04-10 | EDGAR |
| DEF 14A | 2005-04-07 | EDGAR |
| DEF 14A | 2004-04-15 | EDGAR |
| DEF 14A | 2003-04-18 | EDGAR |
| DEF 14A | 2002-04-19 | EDGAR |
| DEF 14A | 2001-04-17 | EDGAR |
| DEF 14A | 2000-04-18 | EDGAR |