| Day | Rate | Set date |
|---|---|---|
| 1 May | 110.5000 | .. |
| 2 May | 114.5600 | .. |
| 5 May | 117.9900 | .. |
| 6 May | 120.3100 | .. |
| 7 May | 122.3200 | .. |
| 8 May | 122.8400 | .. |
| 9 May | 125.4000 | .. |
| 12 May | 122.9100 | .. |
| 13 May | 124.1000 | .. |
| 14 May | 121.8600 | .. |
| 15 May | 121.2500 | .. |
| 16 May | 124.9900 | .. |
| 19 May | 125.0600 | .. |
| 20 May | 127.8400 | .. |
| 21 May | 132.7000 | .. |
| 22 May | 130.5100 | .. |
| 23 May | 131.5700 | .. |
| 26 May | 132.3700 | .. |
| 27 May | 128.3100 | .. |
| 28 May | 130.9300 | .. |
| 29 May | 126.8900 | .. |
| 30 May | 127.7800 | .. |