| Type | Filed | |
|---|---|---|
| 20-F | 2016-04-21 | EDGAR |
| 20-F | 2015-04-21 | EDGAR |
| 20-F | 2014-04-25 | EDGAR |
| 20-F | 2013-04-22 | EDGAR |
| 20-F | 2012-05-01 | EDGAR |
| 20-F | 2011-05-09 | EDGAR |
| 20-F | 2010-05-03 | EDGAR |
| 20-F | 2009-04-30 | EDGAR |
| 20-F | 2008-04-30 | EDGAR |
| 20-F | 2007-05-31 | EDGAR |
| 20-F | 2006-07-31 | EDGAR |
| 20-F | 2005-07-25 | EDGAR |
| 20-F | 2004-07-30 | EDGAR |
| 20-F | 2003-09-08 | EDGAR |
| 20-F | 2002-06-13 | EDGAR |