| Value | Category | Cases | |
|---|---|---|---|
| 1 | Allow | 919 |
38.1%
|
| 2 | Uncertain | 268 |
11.1%
|
| 3 | Not allow | 1132 |
46.9%
|
| 4 | Refuse to answer | 93 |
3.9%
|
| Sysmiss | 7 |