| Season | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season 1 (Spring 2010) | 4 | 5 | 4 | 3 | 2 | 4 | 5 | 5 | 5 | 2 | 2 | 3 | 3 | 2 | 3 | 3 | 3 | |||
| Season 2 (Summer 2010) | 4 | 3 | 3 | 4 | 3 | 2 | 4 | 7 | 5 | 5 | ||||||||||
| Season 3 (Autumn 2010) | 11 | 5 | 4 | 3 | 3 | 3 | 3 | 5 | 3 | 4 | 2 | 4 | 4 | 3 | 6 | |||||
| Season 4 (Winter 2011) | 4 | 9 | 9 | 8 | 5 | 4 | 7 | 9 | 8 | 9 | 12 | 6 | 9 | 8 | 5 | 5 | 4 | 6 | 6 | |
| Season 5 (Spring 2011) | 6 | 9 | 3 | 10 | 6 | 10 | 7 | 4 | 4 | 6 | 4 | 4 | 3 | 3 | 3 | |||||
| Season 6 (Summer 2011) | 6 | 7 | 9 | 13 | 5 | 7 | 6 | 7 | 7 | 6 | 6 | 4 | 4 | 5 | 5 | 7 | ||||
| Season 7 (Autumn 2011) | 4 | 6 | 5 | 5 | 4 | 7 | 7 | 5 | 3 | 6 | 5 | 6 | 7 | 6 | 8 | 4 | ||||
| Season 8 (Winter 2012) | 9 | 4 | 8 | 7 | 4 | 7 | 8 | 6 | 5 | 6 | 5 | 5 | ||||||||
| Season 9 (March 2012) | 5 | 8 | 7 | 7 | 7 | 5 | 9 | 7 | 9 | 6 | 6 | 8 | 4 | 11 | 9 | 3 | 8 |