| 08/18/1978 | 02/24/1979 |
| 03/24/1979 | 04/25/1979 |
| 05/14/1979 | 05/22/1980 |
| 06/01/1982 | 05/16/1985 |
| 01/19/1987 | 05/16/1987 |
| 12/03/1991 | 01/24/1994 |
| 01/26/1995 | 03/08/1997 |
| 04/08/1998 | 04/04/2001 |
| 10/25/2004 | 01/05/2005 |
| 05/20/2005 | 02/24/2006 |
| 08/15/2006 | 09/15/2006 |
| 04/16/2007 | 04/20/2007 |
| 06/15/2007 | 10/26/2007 |
| 11/01/2007 | |
 | |