| Day | Rate | Set date |
|---|---|---|
| 3 April | 19.0300 | .. |
| 4 April | 19.1800 | .. |
| 5 April | 19.5600 | .. |
| 6 April | 19.7700 | .. |
| 7 April | 19.6700 | .. |
| 10 April | 19.5900 | .. |
| 11 April | 19.8800 | .. |
| 12 April | 19.5500 | .. |
| 13 April | 19.1500 | .. |
| 17 April | 19.7300 | .. |
| 18 April | 20.0500 | .. |
| 19 April | 20.4100 | .. |
| 20 April | 20.5200 | .. |
| 21 April | 20.4100 | .. |
| 24 April | 20.1200 | .. |
| 25 April | 20.2900 | .. |
| 26 April | 20.1500 | .. |
| 27 April | 20.4300 | .. |
| 28 April | 20.3800 | .. |