| Company | Ranking | Outlook | Date |
|---|---|---|---|
| Moody’s | Caa3 | Steady | Feb 28 2023 |
| S&P | CCC+ | Steady | Dec 22 2022 |
| Moody’s | Caa1 | Unfavourable | Oct 06 2022 |
| S&P | B- | Unfavourable | Jul 28 2022 |
| Moody’s | B3 | Unfavourable | Jun 02 2022 |
| Moody’s | B3 | Steady | Aug 08 2020 |
| Moody’s | B3 | Underneath Overview | Might 14 2020 |
| Moody’s | B3 | Steady | Dec 02 2019 |
| S&P | B- | Steady | Feb 04 2019 |
| Moody’s | B3 | Unfavourable | Jun 20 2018 |
| S&P | B | Steady | Oct 31 2016 |
| Moody’s | B3 | Steady | Jun 11 2015 |
| S&P | B- | Constructive | Might 05 2015 |
| Moody’s | Caa2 | Constructive | Mar 25 2015 |
| Moody’s | Caa2 | Steady | Jul 14 2014 |
| Moody’s | Caa2 | Unfavourable | Jul 13 2012 |
| S&P | B- | Steady | Aug 24 2009 |
| Moody’s | B3 | Steady | Aug 17 2009 |
| Moody’s | B3 | Unfavourable | Dec 12 2008 |
| S&P | CCC+ | N/A | Dec 09 2008 |
| S&P | CCC | N/A | Nov 14 2008 |
| Moody’s | B3 | Unfavourable Watch | Oct 28 2008 |
| S&P | CCC+ | Unfavourable | Oct 06 2008 |
| Moody’s | B3 | Unfavourable | Sep 23 2008 |
| Moody’s | B3 | Steady | Might 21 2008 |
| S&P | B | Unfavourable | Might 15 2008 |
| S&P | B+ | Unfavourable | Nov 06 2007 |
| Moody’s | B2 | Unfavourable | Nov 05 2007 |
| S&P | B+ | Steady | Jul 10 2007 |
| Moody’s | B1 | Steady | Nov 22 2006 |
| Moody’s | B2 | Constructive Watch | Nov 08 2006 |
| S&P | B+ | Constructive | Dec 28 2005 |
| Moody’s | B2 | Constructive | Jan 20 2005 |
| S&P | B+ | Steady | Nov 22 2004 |
| S&P | B | Constructive | Dec 02 2003 |
| Moody’s | B2 | Steady | Oct 20 2003 |
| S&P | B | Steady | Dec 12 2002 |
| Moody’s | B3 | Steady | Feb 13 2002 |
| Moody’s | Caa1 | Steady | Oct 29 2001 |
| S&P | B- | Steady | Dec 21 1999 |
| S&P | SD | N/A | Jan 29 1999 |
| S&P | CC | Unfavourable | Dec 03 1998 |
| Moody’s | Caa1 | Unfavourable | Oct 23 1998 |
| S&P | CCC- | Unfavourable | Oct 12 1998 |
| S&P | CCC | Unfavourable Watch | Jul 14 1998 |
| S&P | B- | Unfavourable Watch | Jun 01 1998 |
| Moody’s | B3 | Unfavourable | Might 28 1998 |
| S&P | B+ | Unfavourable Watch | Might 22 1998 |
| S&P | B+ | Unfavourable | Jan 14 1998 |
| Moody’s | B2 | Unfavourable | Nov 06 1996 |
| Moody’s | B1 | Unfavourable Watch | Sep 23 1996 |
| S&P | B+ | Steady | Aug 03 1995 |
| Moody’s | B1 | Steady | Jul 11 1995 |
| Moody’s | Ba3 | Steady | Nov 23 1994 |
| S&P | B+ | Constructive | Nov 21 1994 |
