| Day | Rate | Set date |
|---|---|---|
| 3 April | 19.1000 | .. |
| 4 April | 18.9100 | .. |
| 5 April | 19.2500 | .. |
| 6 April | 18.5900 | .. |
| 7 April | 18.5000 | .. |
| 10 April | 18.7000 | .. |
| 11 April | 18.4600 | .. |
| 12 April | 18.2700 | .. |
| 13 April | 18.5900 | .. |
| 14 April | 18.2700 | .. |
| 17 April | 18.6300 | .. |
| 18 April | 18.9000 | .. |
| 19 April | 19.6500 | .. |
| 20 April | 20.1400 | .. |
| 21 April | 20.2700 | .. |
| 24 April | 19.8500 | .. |
| 25 April | 19.1800 | .. |
| 26 April | 19.6000 | .. |
| 27 April | 19.1900 | .. |
| 28 April | 18.9400 | .. |