| Day | Rate | Set date |
|---|---|---|
| 2 April | 68.7400 | .. |
| 3 April | 67.8100 | .. |
| 4 April | 68.4000 | .. |
| 5 April | 68.2400 | .. |
| 9 April | 66.5900 | .. |
| 10 April | 67.4200 | .. |
| 11 April | 67.8400 | .. |
| 12 April | 68.7200 | .. |
| 13 April | 68.9700 | .. |
| 16 April | 67.2500 | .. |
| 17 April | 65.9300 | .. |
| 18 April | 66.0400 | .. |
| 19 April | 65.9400 | .. |
| 20 April | 66.4900 | .. |
| 23 April | 68.1500 | .. |
| 24 April | 67.1600 | .. |
| 25 April | 68.5700 | .. |
| 26 April | 67.6500 | .. |
| 27 April | 68.4100 | .. |
| 30 April | 67.6500 | .. |