| Day | Rate | Set date |
|---|---|---|
| 1 May | 91.0300 | .. |
| 2 May | 93.9900 | .. |
| 3 May | 95.6100 | .. |
| 6 May | 96.1600 | .. |
| 7 May | 95.6200 | .. |
| 8 May | 96.6200 | .. |
| 9 May | 96.3900 | .. |
| 10 May | 96.0400 | .. |
| 13 May | 95.1700 | .. |
| 14 May | 94.2100 | .. |
| 15 May | 94.3000 | .. |
| 16 May | 95.1600 | .. |
| 17 May | 96.0200 | .. |
| 20 May | 96.7100 | .. |
| 21 May | 96.1600 | .. |
| 22 May | 94.2800 | .. |
| 23 May | 94.2500 | .. |
| 24 May | 94.1500 | .. |
| 27 May | 93.8300 | .. |
| 28 May | 95.0100 | .. |
| 29 May | 93.1300 | .. |
| 30 May | 93.6100 | .. |
| 31 May | 91.9700 | .. |