| Type | Filed | |
|---|---|---|
| DEF 14A | 2018-06-14 | EDGAR |
| DEF 14A | 2017-05-16 | EDGAR |
| DEF 14A | 2016-05-16 | EDGAR |
| DEF 14A | 2015-05-20 | EDGAR |
| DEF 14A | 2014-05-30 | EDGAR |
| DEF 14A | 2013-05-23 | EDGAR |
| DEF 14A | 2012-06-27 | EDGAR |
| DEF 14A | 2011-05-12 | EDGAR |
| DEF 14A | 2010-05-21 | EDGAR |
| DEF 14A | 2009-05-20 | EDGAR |
| DEF 14A | 2008-05-27 | EDGAR |
| DEF 14A | 2007-05-31 | EDGAR |
| DEF 14A | 2006-05-26 | EDGAR |
| DEF 14A | 2005-05-24 | EDGAR |
| DEF 14A | 2004-05-24 | EDGAR |
| DEF 14A | 2003-05-23 | EDGAR |
| DEF 14A | 2002-05-24 | EDGAR |
| DEF 14A | 2001-05-15 | EDGAR |
| DEF 14A | 2000-05-10 | EDGAR |