| Day | Rate | Set date |
|---|---|---|
| 1 April | 22.2600 | .. |
| 2 April | 22.7000 | .. |
| 3 April | 22.2700 | .. |
| 4 April | 22.7500 | .. |
| 8 April | 23.0300 | .. |
| 9 April | 23.0600 | .. |
| 10 April | 24.2100 | .. |
| 11 April | 25.3400 | .. |
| 12 April | 24.2900 | .. |
| 15 April | 25.0600 | .. |
| 16 April | 24.4700 | .. |
| 17 April | 24.6700 | .. |
| 18 April | 23.8200 | .. |
| 19 April | 23.9500 | .. |
| 22 April | 24.0700 | .. |
| 23 April | 22.7000 | .. |
| 24 April | 22.4000 | .. |
| 25 April | 22.2000 | .. |
| 26 April | 22.3200 | .. |
| 29 April | 22.4300 | .. |
| 30 April | 21.2000 | .. |