| 2010 | 2009 |
| 15 March - 8 - 12 March Trend |
|
| 8 March - 1 - 5 March Trend |
|
| 1 March - 22 - 26 February Trend |
|
| 22 February - 15 - 19 February Trend |
|
| 15 February - 8 - 12 February Trend |
|
| 8 February - 1 - 5 February Trend |
|
| 1 February - 25 - 29 January Trend |
|
| 25 January - 18 - 22 January Trend |
|
| 18 January - 11 - 15 January Trend |
|
| 11 January - 4 - 8 January Trend |