
| Parent | Consolidated |
|---|---|
| A | 01 / 25 / 2006 |
| A- | 11 / 22 / 2002 |
| BBB+ | 11 / 14 / 2001 |
| BBB | 06 / 18 / 2001 |
| BBB- | 06 / 13 / 2000 |
| BB | 12 / 13 / 1999 |
| BB- | 12 / 02 / 1999 |
| BB- | 04 / 24 / 1998 |
| B+ | 04 / 20 / 1998 |
| B+ | 12 / 23 / 1997 |
| BB | 12 / 11 / 1997 |
| BBB- | 12 / 11 / 1997 |
| A- | 11 / 21 / 1997 |
| A- | 07 / 23 / 1992 |