| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not observed | 15669 |
49.4%
|
| 1 | One student | 132 |
0.4%
|
| 2 | Small group of students (groups to 2 to 6) | 9383 |
29.6%
|
| 3 | Large group of students (groups of more than 6) | 6541 |
20.6%
|