| Value | Category |
|---|---|
| -9 | Don't know |
| -8 | Refused to answer |
| -7 | Not applicable |
| -6 | Still in process |
| -5 | Application denied |
| -4 | Skipped |
| -3 | Not provided |
| 1 | Through family/friends |
| 2 | Public placement office |
| 3 | Private placement office |
| 4 | Public announcement/advertisement |
| 5 | School-related network |
| 6 | Other (Specify) |