| 07/01/13 0.12 | 05/02/13 0.11 | 04/03/13 0.06 | 08/04/13 0.06 | 13/05/13 0.11 | 11/06/13 0.1 | 08/07/13 0.09 | 06/08/13 0.13 | 02/09/13 0.11 | 08/10/13 0.1 | 06/11/13 0.16 | 05/12/13 0.07 |
| 07/01/14 0.19 | 05/02/14 0.14 | 03/03/14 0.12 | 08/04/14 0.08 | 13/05/14 0.1 | 11/06/14 0.12 | 09/07/14 0.12 | 05/08/14 0.14 | 10/09/14 0.1 | 08/10/14 0.09 | 04/11/14 0.17 | 02/12/14 0.11 |
| 13/01/15 0.14 | 11/02/15 0.09 | 04/03/15 0.1 | 02/04/15 0.07 | 05/05/15 0.13 | 03/06/15 0.09 | 07/07/15 0.11 | 04/08/15 0.1 | 09/09/15 0.1 | 30/09/15 0.08 | 28/10/15 0.07 | 03/12/15 0.09 |