| Day | Rate | Set date |
|---|---|---|
| 2 May | 4.6930 | .. |
| 3 May | 4.6700 | .. |
| 4 May | 4.5770 | .. |
| 5 May | 4.2610 | .. |
| 6 May | 4.2350 | .. |
| 9 May | 4.1540 | .. |
| 10 May | 4.2460 | .. |
| 11 May | 4.1810 | .. |
| 12 May | 4.1940 | .. |
| 13 May | 4.2460 | .. |
| 16 May | 4.3180 | .. |
| 17 May | 4.1820 | .. |
| 18 May | 4.1980 | .. |
| 19 May | 4.0940 | .. |
| 20 May | 4.2300 | .. |
| 23 May | 4.3460 | .. |
| 24 May | 4.3450 | .. |
| 25 May | 4.3790 | .. |
| 26 May | 4.3260 | .. |
| 27 May | 4.5180 | .. |
| 31 May | 4.6660 | .. |