| Day | Rate | Set date |
|---|---|---|
| 1 April | 19.1100 | .. |
| 2 April | 18.5100 | .. |
| 3 April | 18.1800 | .. |
| 4 April | 17.6800 | .. |
| 7 April | 17.7600 | .. |
| 8 April | 17.9300 | .. |
| 9 April | 17.7500 | .. |
| 10 April | 17.9300 | .. |
| 11 April | 17.8800 | .. |
| 14 April | 18.1900 | .. |
| 15 April | 17.9600 | .. |
| 16 April | 17.8100 | .. |
| 17 April | 17.6900 | .. |
| 18 April | 17.9200 | .. |
| 21 April | 18.3400 | .. |
| 22 April | 17.9900 | .. |
| 23 April | 18.0600 | .. |
| 24 April | 18.4100 | .. |
| 25 April | 18.2700 | .. |
| 28 April | 18.2600 | .. |
| 29 April | 18.6100 | .. |
| 30 April | 18.5200 | .. |