| Day | Rate | Set date |
|---|---|---|
| 3 February | 18.9600 | .. |
| 4 February | 19.2700 | .. |
| 5 February | 19.5000 | .. |
| 6 February | 19.5000 | .. |
| 7 February | 19.8700 | .. |
| 10 February | 19.7800 | .. |
| 11 February | 19.2800 | .. |
| 12 February | 19.2700 | .. |
| 13 February | 19.6800 | .. |
| 14 February | 19.4600 | .. |
| 18 February | 18.1200 | .. |
| 19 February | 18.4100 | .. |
| 20 February | 18.5400 | .. |
| 21 February | 18.6600 | .. |
| 24 February | 18.4300 | .. |
| 25 February | 18.4800 | .. |
| 26 February | 18.4600 | .. |
| 27 February | 18.7500 | .. |
| 28 February | 18.6800 | .. |