| Value | Category | Cases | |
|---|---|---|---|
| 1 | through family/friends | 129 |
53.5%
|
| 2 | public placement office | 3 |
1.2%
|
| 3 | private placement office | 9 |
3.7%
|
| 4 | public announcement/advertisement | 73 |
30.3%
|
| 5 | school-related network | 9 |
3.7%
|
| 6 | other | 18 |
7.5%
|