| Academic year | n | Subset (α ≤ 0.05) | ||
|
|
| 1 | 2 | 3 |
| First | 167 | 105.10 |
|
|
| Fourth | 124 | 107.90 | 107.9 |
|
| Second | 144 | 108.81 | 108.81 |
|
| Third | 142 |
| 108.99 |
|
| Fifth | 70 |
|
| 113.66 |
| Mean statistical significance within the groups |
| 0.052 | 0.574 | 1.00 |