| 2012-07-05 19:00:00 | 3% | -- | 3.25% |
| 2012-06-07 17:00:00 | 3.25% | -- | 3.5% |
| 2011-07-06 18:30:00 | 3.5% | -- | 3.25% |
| 2011-04-06 00:00:00 | 3.25% | -- | 3% |
| 2011-02-09 00:00:00 | 3% | -- | 2.75% |
| 2010-12-26 00:00:00 | 2.75% | -- | 2.5% |
| 2010-10-20 00:00:00 | 2.5% | -- | 2.25% |
| 2008-12-23 00:00:00 | 2.25% | -- | 2.52% |
| 2008-11-27 00:00:00 | 2.52% | -- | 3.6% |
| 2008-10-30 00:00:00 | 3.6% | -- | 3.87% |
| 2008-10-09 00:00:00 | 3.87% | -- | 4.14% |
| 2007-12-21 00:00:00 | 4.14% | -- | 3.87% |
| 2007-09-15 00:00:00 | 3.87% | -- | 3.6% |
| 2007-08-22 00:00:00 | 3.6% | -- | 3.33% |
| 2007-07-21 00:00:00 | 3.33% | -- | 3.06% |
| 2007-05-19 00:00:00 | 3.06% | -- | 2.79% |
| 2007-03-18 00:00:00 | 2.79% | -- | 2.52% |
| 2006-08-19 00:00:00 | 2.52% | -- | 2.25% |
| 2004-10-29 00:00:00 | 2.25% | -- | 1.98% |
| 2002-02-21 00:00:00 | 1.98% | -- | 2.25% |