| Day | Rate | Set date |
|---|---|---|
| 2 May | 9.4250 | 02.05.2018 |
| 3 May | 9.4131 | 03.05.2018 |
| 4 May | 9.3952 | 04.05.2018 |
| 5 May | 9.3952 | 04.05.2018 |
| 6 May | 9.3952 | 04.05.2018 |
| 7 May | 9.3428 | 07.05.2018 |
| 8 May | 9.3178 | 08.05.2018 |
| 9 May | 9.3248 | 09.05.2018 |
| 10 May | 9.3241 | 10.05.2018 |
| 11 May | 9.3681 | 11.05.2018 |
| 12 May | 9.3681 | 11.05.2018 |
| 13 May | 9.3681 | 11.05.2018 |
| 14 May | 9.4103 | 14.05.2018 |
| 15 May | 9.3280 | 15.05.2018 |
| 16 May | 9.2504 | 16.05.2018 |
| 17 May | 9.2666 | 17.05.2018 |
| 18 May | 9.2480 | 18.05.2018 |
| 19 May | 9.2480 | 18.05.2018 |
| 20 May | 9.2480 | 18.05.2018 |
| 21 May | 9.2300 | 21.05.2018 |
| 22 May | 9.2565 | 22.05.2018 |
| 23 May | 9.1904 | 23.05.2018 |
| 24 May | 9.2043 | 24.05.2018 |
| 25 May | 9.1589 | 25.05.2018 |
| 26 May | 9.1589 | 25.05.2018 |
| 27 May | 9.1589 | 25.05.2018 |
| 28 May | 9.1354 | 28.05.2018 |
| 29 May | 9.0681 | 29.05.2018 |
| 30 May | 9.1268 | 30.05.2018 |
| 31 May | 9.1818 | 31.05.2018 |