| Date | Rate |
|---|---|
| 2008/3/6 | 2.082 |
| 2008/3/5 | 2.095 |
| 2008/3/4 | 2.084 |
| 2008/3/3 | 2.082 |
| 2008/2/29 | 2.073 |
| 2008/2/27 | 2.072 |
| 2008/2/26 | 2.079 |
| 2008/2/25 | 2.078 |
| 2008/2/22 | 2.091 |
| 2008/2/21 | 2.086 |
| 2008/2/20 | 2.09 |
| 2008/2/19 | 2.084 |
| 2008/2/18 | 2.082 |
| 2008/2/15 | 2.088 |
| 2008/2/14 | 2.091 |
| 2008/2/13 | 2.088 |
| 2008/2/12 | 2.079 |
| 2008/2/5 | 2.077 |
| 2008/2/4 | 2.077 |
| 2008/2/1 | 2.075 |
