| Day | Rate | Set date |
|---|---|---|
| 3 April | 19.9500 | .. |
| 4 April | 20.4200 | .. |
| 5 April | 19.9900 | .. |
| 6 April | 19.8000 | .. |
| 7 April | 20.0200 | .. |
| 10 April | 20.5900 | .. |
| 11 April | 20.6300 | .. |
| 12 April | 20.6400 | .. |
| 13 April | 20.2900 | .. |
| 14 April | 20.6900 | .. |
| 17 April | 21.2200 | .. |
| 18 April | 21.5100 | .. |
| 19 April | 22.6100 | .. |
| 20 April | 24.6500 | .. |
| 21 April | 24.6500 | .. |
| 24 April | 20.6100 | .. |
| 25 April | 21.4100 | .. |
| 26 April | 21.1900 | .. |
| 27 April | 20.9200 | .. |
| 28 April | 20.4200 | .. |