| 2010: 06 Jan - 31 Mar 2010 |
50 |
55 |
| 2010: 1 Apr - 14 Jun 2010 |
50 |
55 |
| 2010: 15 Jun - 6 Sept 2010 |
65 |
70 |
| 2010: 7 Sept - 15 Sept 2010 |
80 |
85 |
| 2010: 16 Sept - 15 Oct 2010 |
65 |
70 |
| 2010: 16 Oct - 22 Dec 2010 |
50 |
55 |
| 2010: 23 Dec - 5 Jan 2011 |
80 |
85 |
| 2011: 6 Jan - 31 Mar 2011 |
50 |
55 |