| 07/01/13 0.15 | 05/02/13 0.16 | 04/03/13 0.16 | 08/04/13 0.11 | 13/05/13 0.23 | 11/06/13 0.23 | 08/07/13 0.25 | 06/08/13 0.23 | 02/09/13 0.23 | 08/10/13 0.2 | 06/11/13 0.22 | 05/12/13 0.17 |
| 07/01/14 0.17 | 05/02/14 0.16 | 03/03/14 0.14 | 08/04/14 0.18 | 13/05/14 0.11 | 11/06/14 0.15 | 09/07/14 0.22 | 05/08/14 0.34 | 10/09/14 0.18 | 08/10/14 0.19 | 04/11/14 0.21 | 02/12/14 0.23 |
| 13/01/15 0.18 | 11/02/15 0.11 | 04/03/15 0.11 | 02/04/15 0.15 | 05/05/15 0.17 | 03/06/15 0.15 | 07/07/15 0.22 | 04/08/15 0.17 | 09/09/15 0.15 | 30/09/15 0.09 | 28/10/15 0.16 |