| Day | Rate | Set date |
|---|---|---|
| 3 April | 17.3900 | .. |
| 4 April | 17.5600 | .. |
| 5 April | 17.9700 | .. |
| 6 April | 18.2500 | .. |
| 7 April | 18.2300 | .. |
| 10 April | 18.2600 | .. |
| 11 April | 18.6300 | .. |
| 12 April | 18.9000 | .. |
| 13 April | 17.6200 | .. |
| 18 April | 18.3600 | .. |
| 19 April | 18.5000 | .. |
| 20 April | 18.5300 | .. |
| 21 April | 18.7900 | .. |
| 24 April | 18.5500 | .. |
| 25 April | 18.7400 | .. |
| 26 April | 18.7100 | .. |
| 27 April | 19.0700 | .. |
| 28 April | 19.0600 | .. |