| Day | Rate | Set date |
|---|---|---|
| 1 February | 19.9300 | .. |
| 2 February | 20.1900 | .. |
| 5 February | 19.7800 | .. |
| 6 February | 19.8800 | .. |
| 7 February | 19.6900 | .. |
| 8 February | 19.4800 | .. |
| 9 February | 19.6000 | .. |
| 12 February | 19.3300 | .. |
| 13 February | 19.4000 | .. |
| 14 February | 19.4900 | .. |
| 15 February | 19.8400 | .. |
| 16 February | 19.6800 | .. |
| 19 February | 19.5800 | .. |
| 20 February | 19.5900 | .. |
| 21 February | 19.3900 | .. |
| 22 February | 19.2800 | .. |
| 23 February | 19.1900 | .. |
| 26 February | 19.5800 | .. |
| 27 February | 19.4100 | .. |
| 28 February | 19.4800 | .. |