| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very useful | 5562 |
27.4%
|
| 2 | Relatively useful | 8412 |
41.4%
|
| 3 | Not useful | 5301 |
26.1%
|
| 4 | Do not get any professional education | 44 |
0.2%
|
| 5 | It is difficult to answer | 996 |
4.9%
|
| 99 | 1 |
0%
|
|
| Sysmiss | 9346 |