| Day | Rate | Set date |
|---|---|---|
| 1 April | 16.6400 | .. |
| 5 April | 16.9500 | .. |
| 6 April | 16.8100 | .. |
| 7 April | 16.0300 | .. |
| 8 April | 15.8300 | .. |
| 9 April | 16.5700 | .. |
| 12 April | 16.4000 | .. |
| 13 April | 16.7200 | .. |
| 14 April | 16.4700 | .. |
| 15 April | 16.8700 | .. |
| 16 April | 17.3300 | .. |
| 19 April | 17.8000 | .. |
| 20 April | 17.7800 | .. |
| 21 April | 17.9200 | .. |
| 22 April | 18.1800 | .. |
| 23 April | 17.9400 | .. |
| 26 April | 17.6600 | .. |
| 27 April | 17.8100 | .. |
| 28 April | 18.4500 | .. |
| 29 April | 18.5300 | .. |
| 30 April | 18.6600 | .. |