| Day | Rate | Set date |
|---|---|---|
| 1 May | 106.9400 | .. |
| 2 May | 107.5800 | .. |
| 3 May | 104.9700 | .. |
| 4 May | 110.1400 | .. |
| 5 May | 110.9000 | .. |
| 6 May | 112.3900 | .. |
| 8 May | 111.8400 | .. |
| 9 May | 105.9400 | .. |
| 10 May | 102.4600 | .. |
| 11 May | 107.5100 | .. |
| 12 May | 107.4500 | .. |
| 13 May | 111.5500 | .. |
| 15 May | 112.4000 | .. |
| 16 May | 114.2400 | .. |
| 17 May | 111.9300 | .. |
| 18 May | 109.1100 | .. |
| 19 May | 112.0400 | .. |
| 20 May | 112.5500 | .. |
| 22 May | 110.1800 | .. |
| 23 May | 110.7800 | .. |
| 24 May | 110.6900 | .. |
| 25 May | 111.1200 | .. |
| 26 May | 114.1700 | .. |
| 27 May | 119.4300 | .. |
| 29 May | 116.0900 | .. |
| 30 May | 117.6000 | .. |
| 31 May | 115.6000 | .. |