| Day | Rate | Set date |
|---|---|---|
| 1 April | 57.1000 | .. |
| 2 April | 54.9500 | .. |
| 6 April | 58.1200 | .. |
| 7 April | 59.1000 | .. |
| 8 April | 55.5500 | .. |
| 9 April | 56.5700 | .. |
| 10 April | 57.8700 | .. |
| 13 April | 57.9300 | .. |
| 14 April | 58.4300 | .. |
| 15 April | 60.3200 | .. |
| 16 April | 63.9800 | .. |
| 17 April | 63.4500 | .. |
| 20 April | 63.4500 | .. |
| 21 April | 62.0800 | .. |
| 22 April | 62.7300 | .. |
| 23 April | 64.8500 | .. |
| 24 April | 65.2800 | .. |
| 27 April | 64.8300 | .. |
| 28 April | 64.6400 | .. |
| 29 April | 65.8400 | .. |
| 30 April | 66.7800 | .. |