| Day | Rate | Set date |
|---|---|---|
| 1 April | 78.3100 | 01.04.1999 |
| 2 April | 78.3300 | 02.04.1999 |
| 3 April | 78.3300 | 02.04.1999 |
| 4 April | 78.3300 | 02.04.1999 |
| 5 April | 78.2800 | 05.04.1999 |
| 6 April | 78.3800 | 06.04.1999 |
| 7 April | 78.9600 | 07.04.1999 |
| 8 April | 78.9400 | 08.04.1999 |
| 9 April | 78.7400 | 09.04.1999 |
| 10 April | 78.7400 | 09.04.1999 |
| 11 April | 78.7400 | 09.04.1999 |
| 12 April | 79.0800 | 12.04.1999 |
| 13 April | 78.7100 | 13.04.1999 |
| 14 April | 78.5700 | 14.04.1999 |
| 15 April | 78.4500 | 15.04.1999 |
| 16 April | 77.9700 | 16.04.1999 |
| 17 April | 77.9700 | 16.04.1999 |
| 18 April | 77.9700 | 16.04.1999 |
| 19 April | 77.7800 | 19.04.1999 |
| 20 April | 77.7800 | 20.04.1999 |
| 21 April | 77.7000 | 21.04.1999 |
| 22 April | 77.7900 | 22.04.1999 |
| 23 April | 77.9200 | 23.04.1999 |
| 24 April | 77.9200 | 23.04.1999 |
| 25 April | 77.9200 | 23.04.1999 |
| 26 April | 77.8700 | 26.04.1999 |
| 27 April | 77.9900 | 27.04.1999 |
| 28 April | 77.9400 | 28.04.1999 |
| 29 April | 77.8900 | 29.04.1999 |
| 30 April | 77.9300 | 30.04.1999 |