| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not observed | 30837 |
97.2%
|
| 1 | One student | 52 |
0.2%
|
| 2 | Small group of students (groups to 2 to 6) | 213 |
0.7%
|
| 3 | Large group of students (groups of more than 6) | 623 |
2%
|