| Value | Category | Cases | |
|---|---|---|---|
| 1 | observation | 202 |
9.4%
|
| 2 | respondent | 490 |
22.9%
|
| 3 | class teacher | 32 |
1.5%
|
| 4 | Register | 862 |
40.3%
|
| 9 | NA | 552 |
25.8%
|