| Day | Rate | Set date | 
|---|---|---|
| 1 May | 107.7600 | .. | 
| 2 May | 108.5900 | .. | 
| 5 May | 107.7200 | .. | 
| 6 May | 107.0600 | .. | 
| 7 May | 108.1300 | .. | 
| 8 May | 108.0400 | .. | 
| 9 May | 107.8900 | .. | 
| 12 May | 108.4100 | .. | 
| 13 May | 109.2400 | .. | 
| 14 May | 110.1900 | .. | 
| 15 May | 110.4400 | .. | 
| 16 May | 109.7500 | .. | 
| 19 May | 109.3700 | .. | 
| 20 May | 109.6900 | .. | 
| 21 May | 110.5500 | .. | 
| 22 May | 110.3600 | .. | 
| 23 May | 110.5400 | .. | 
| 26 May | 110.3200 | .. | 
| 27 May | 110.0200 | .. | 
| 28 May | 109.8100 | .. | 
| 29 May | 109.9700 | .. | 
| 30 May | 109.4100 | .. |