| Type | Filed | |
|---|---|---|
| DEF 14A | 2019-05-17 | EDGAR |
| DEF 14A | 2018-08-31 | EDGAR |
| DEF 14A | 2017-09-11 | EDGAR |
| DEF 14A | 2016-05-23 | EDGAR |
| DEF 14A | 2015-04-29 | EDGAR |
| DEF 14A | 2014-04-30 | EDGAR |
| DEF 14A | 2013-04-30 | EDGAR |
| DEF 14A | 2012-06-04 | EDGAR |
| DEF 14A | 2011-04-29 | EDGAR |
| DEF 14A | 2010-04-29 | EDGAR |
| DEF 14A | 2009-04-29 | EDGAR |
| DEF 14A | 2007-04-30 | EDGAR |
| DEF 14A | 2006-04-14 | EDGAR |
| DEF 14A | 2005-04-04 | EDGAR |
| DEF 14A | 2004-04-09 | EDGAR |
| DEF 14A | 2003-04-15 | EDGAR |
| DEF 14A | 2002-03-15 | EDGAR |
| DEF 14A | 2001-03-16 | EDGAR |
| DEF 14A | 2000-03-31 | EDGAR |
| DEF 14A | 2000-03-31 | EDGAR |