| Day | Rate | Set date |
|---|---|---|
| 1 May | 99.4200 | .. |
| 2 May | 99.7600 | .. |
| 5 May | 99.4800 | .. |
| 6 May | 99.5000 | .. |
| 7 May | 100.7700 | .. |
| 8 May | 100.2600 | .. |
| 9 May | 99.9900 | .. |
| 12 May | 100.5900 | .. |
| 13 May | 101.7000 | .. |
| 14 May | 102.3700 | .. |
| 15 May | 101.5000 | .. |
| 16 May | 102.0200 | .. |
| 19 May | 102.6100 | .. |
| 20 May | 102.4400 | .. |
| 21 May | 104.0700 | .. |
| 22 May | 103.7400 | .. |
| 23 May | 104.3500 | .. |
| 26 May | 104.2800 | .. |
| 27 May | 104.1100 | .. |
| 28 May | 102.7200 | .. |
| 29 May | 103.5800 | .. |
| 30 May | 102.7100 | .. |